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Finding the Fourth Proportional to 63,641.47, 87,805.46 and 36,774.17

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Solution

The fourth proportional to 63,641.47, 87,805.46 and 36,774.17 is: 50,736.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,641.47 : 87,805.46 = 36,774.17 : x
  2. Step 2: Convert to fraction form
    63,641.47/87,805.46 = 36,774.17/x
  3. Step 3: Cross multiply
    63,641.47x = 87,805.46 × 36,774.17
  4. Step 4: Simplify right side
    63,641.47x = 3,228,972,912.97
  5. Step 5: Solve for x
    x = 3,228,972,912.97/63,641.47
  6. Step 6: Final answer
    x = 50,736.93

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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.