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Finding the Fourth Proportional to 71,753.94, 107,639.55 and 23,724.18

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Solution

The fourth proportional to 71,753.94, 107,639.55 and 23,724.18 is: 35,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,753.94 : 107,639.55 = 23,724.18 : x
  2. Step 2: Convert to fraction form
    71,753.94/107,639.55 = 23,724.18/x
  3. Step 3: Cross multiply
    71,753.94x = 107,639.55 × 23,724.18
  4. Step 4: Simplify right side
    71,753.94x = 2,553,660,059.32
  5. Step 5: Solve for x
    x = 2,553,660,059.32/71,753.94
  6. Step 6: Final answer
    x = 35,589.13

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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.