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Finding the Fourth Proportional to 73,657.92, 101,630.24 and 43,440.80

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Solution

The fourth proportional to 73,657.92, 101,630.24 and 43,440.80 is: 59,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,657.92 : 101,630.24 = 43,440.80 : x
  2. Step 2: Convert to fraction form
    73,657.92/101,630.24 = 43,440.80/x
  3. Step 3: Cross multiply
    73,657.92x = 101,630.24 × 43,440.80
  4. Step 4: Simplify right side
    73,657.92x = 4,414,898,929.79
  5. Step 5: Solve for x
    x = 4,414,898,929.79/73,657.92
  6. Step 6: Final answer
    x = 59,937.87

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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.