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Finding the Fourth Proportional to 7,053.27, 9,712.78 and 6,306.99

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Solution

The fourth proportional to 7,053.27, 9,712.78 and 6,306.99 is: 8,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.27 : 9,712.78 = 6,306.99 : x
  2. Step 2: Convert to fraction form
    7,053.27/9,712.78 = 6,306.99/x
  3. Step 3: Cross multiply
    7,053.27x = 9,712.78 × 6,306.99
  4. Step 4: Simplify right side
    7,053.27x = 61,258,406.33
  5. Step 5: Solve for x
    x = 61,258,406.33/7,053.27
  6. Step 6: Final answer
    x = 8,685.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.