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Finding the Fourth Proportional to 64,354.48, 88,737.24 and 40,451.92

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Solution

The fourth proportional to 64,354.48, 88,737.24 and 40,451.92 is: 55,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354.48 : 88,737.24 = 40,451.92 : x
  2. Step 2: Convert to fraction form
    64,354.48/88,737.24 = 40,451.92/x
  3. Step 3: Cross multiply
    64,354.48x = 88,737.24 × 40,451.92
  4. Step 4: Simplify right side
    64,354.48x = 3,589,591,733.50
  5. Step 5: Solve for x
    x = 3,589,591,733.50/64,354.48
  6. Step 6: Final answer
    x = 55,778.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.