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Finding the Fourth Proportional to 70,705.92, 106,061.76 and 23,957.76

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Solution

The fourth proportional to 70,705.92, 106,061.76 and 23,957.76 is: 35,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,705.92 : 106,061.76 = 23,957.76 : x
  2. Step 2: Convert to fraction form
    70,705.92/106,061.76 = 23,957.76/x
  3. Step 3: Cross multiply
    70,705.92x = 106,061.76 × 23,957.76
  4. Step 4: Simplify right side
    70,705.92x = 2,541,002,191.26
  5. Step 5: Solve for x
    x = 2,541,002,191.26/70,705.92
  6. Step 6: Final answer
    x = 35,937.62

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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.