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Finding the Fourth Proportional to 72,600.15, 100,227.92 and 43,924.71

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Solution

The fourth proportional to 72,600.15, 100,227.92 and 43,924.71 is: 60,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,600.15 : 100,227.92 = 43,924.71 : x
  2. Step 2: Convert to fraction form
    72,600.15/100,227.92 = 43,924.71/x
  3. Step 3: Cross multiply
    72,600.15x = 100,227.92 × 43,924.71
  4. Step 4: Simplify right side
    72,600.15x = 4,402,482,100.28
  5. Step 5: Solve for x
    x = 4,402,482,100.28/72,600.15
  6. Step 6: Final answer
    x = 60,640.12

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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.