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Finding the Fourth Proportional to 62,141.63, 85,693.87 and 38,263.65

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Solution

The fourth proportional to 62,141.63, 85,693.87 and 38,263.65 is: 52,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,141.63 : 85,693.87 = 38,263.65 : x
  2. Step 2: Convert to fraction form
    62,141.63/85,693.87 = 38,263.65/x
  3. Step 3: Cross multiply
    62,141.63x = 85,693.87 × 38,263.65
  4. Step 4: Simplify right side
    62,141.63x = 3,278,960,248.83
  5. Step 5: Solve for x
    x = 3,278,960,248.83/62,141.63
  6. Step 6: Final answer
    x = 52,765.92

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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.