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Finding the Fourth Proportional to 71,061.86, 106,557.13 and 23,660.25

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Solution

The fourth proportional to 71,061.86, 106,557.13 and 23,660.25 is: 35,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,061.86 : 106,557.13 = 23,660.25 : x
  2. Step 2: Convert to fraction form
    71,061.86/106,557.13 = 23,660.25/x
  3. Step 3: Cross multiply
    71,061.86x = 106,557.13 × 23,660.25
  4. Step 4: Simplify right side
    71,061.86x = 2,521,168,497.91
  5. Step 5: Solve for x
    x = 2,521,168,497.91/71,061.86
  6. Step 6: Final answer
    x = 35,478.51

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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.