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Finding the Fourth Proportional to 62,150.68, 85,731.24 and 43,980.92

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Solution

The fourth proportional to 62,150.68, 85,731.24 and 43,980.92 is: 60,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,150.68 : 85,731.24 = 43,980.92 : x
  2. Step 2: Convert to fraction form
    62,150.68/85,731.24 = 43,980.92/x
  3. Step 3: Cross multiply
    62,150.68x = 85,731.24 × 43,980.92
  4. Step 4: Simplify right side
    62,150.68x = 3,770,538,807.94
  5. Step 5: Solve for x
    x = 3,770,538,807.94/62,150.68
  6. Step 6: Final answer
    x = 60,667.70

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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.