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Finding the Fourth Proportional to 7,304.70, 10,957.05 and 2,687.10

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Solution

The fourth proportional to 7,304.70, 10,957.05 and 2,687.10 is: 4,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.70 : 10,957.05 = 2,687.10 : x
  2. Step 2: Convert to fraction form
    7,304.70/10,957.05 = 2,687.10/x
  3. Step 3: Cross multiply
    7,304.70x = 10,957.05 × 2,687.10
  4. Step 4: Simplify right side
    7,304.70x = 29,442,689.06
  5. Step 5: Solve for x
    x = 29,442,689.06/7,304.70
  6. Step 6: Final answer
    x = 4,030.65

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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.