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Finding the Fourth Proportional to 72,407.52, 108,552.96 and 32,944.32

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Solution

The fourth proportional to 72,407.52, 108,552.96 and 32,944.32 is: 49,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,407.52 : 108,552.96 = 32,944.32 : x
  2. Step 2: Convert to fraction form
    72,407.52/108,552.96 = 32,944.32/x
  3. Step 3: Cross multiply
    72,407.52x = 108,552.96 × 32,944.32
  4. Step 4: Simplify right side
    72,407.52x = 3,576,203,451.19
  5. Step 5: Solve for x
    x = 3,576,203,451.19/72,407.52
  6. Step 6: Final answer
    x = 49,389.95

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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.