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Finding the Fourth Proportional to 7,006,871.10, 10,510,306.65 and 7,006,871.10

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Solution

The fourth proportional to 7,006,871.10, 10,510,306.65 and 7,006,871.10 is: 10,510,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006,871.10 : 10,510,306.65 = 7,006,871.10 : x
  2. Step 2: Convert to fraction form
    7,006,871.10/10,510,306.65 = 7,006,871.10/x
  3. Step 3: Cross multiply
    7,006,871.10x = 10,510,306.65 × 7,006,871.10
  4. Step 4: Simplify right side
    7,006,871.10x = 73,644,363,918,022.81
  5. Step 5: Solve for x
    x = 73,644,363,918,022.81/7,006,871.10
  6. Step 6: Final answer
    x = 10,510,306.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.