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Finding the Fourth Proportional to 60,406.80, 90,589.65 and 22,957.86

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Solution

The fourth proportional to 60,406.80, 90,589.65 and 22,957.86 is: 34,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,406.80 : 90,589.65 = 22,957.86 : x
  2. Step 2: Convert to fraction form
    60,406.80/90,589.65 = 22,957.86/x
  3. Step 3: Cross multiply
    60,406.80x = 90,589.65 × 22,957.86
  4. Step 4: Simplify right side
    60,406.80x = 2,079,744,502.15
  5. Step 5: Solve for x
    x = 2,079,744,502.15/60,406.80
  6. Step 6: Final answer
    x = 34,428.98

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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.