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Finding the Fourth Proportional to 10,957.52, 16,436.28 and 10,007.12

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Solution

The fourth proportional to 10,957.52, 16,436.28 and 10,007.12 is: 15,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.52 : 16,436.28 = 10,007.12 : x
  2. Step 2: Convert to fraction form
    10,957.52/16,436.28 = 10,007.12/x
  3. Step 3: Cross multiply
    10,957.52x = 16,436.28 × 10,007.12
  4. Step 4: Simplify right side
    10,957.52x = 164,479,826.31
  5. Step 5: Solve for x
    x = 164,479,826.31/10,957.52
  6. Step 6: Final answer
    x = 15,010.68

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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.