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Finding the Fourth Proportional to 63,347.67, 87,454.49 and 43,234.56

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Solution

The fourth proportional to 63,347.67, 87,454.49 and 43,234.56 is: 59,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,347.67 : 87,454.49 = 43,234.56 : x
  2. Step 2: Convert to fraction form
    63,347.67/87,454.49 = 43,234.56/x
  3. Step 3: Cross multiply
    63,347.67x = 87,454.49 × 43,234.56
  4. Step 4: Simplify right side
    63,347.67x = 3,781,056,179.00
  5. Step 5: Solve for x
    x = 3,781,056,179.00/63,347.67
  6. Step 6: Final answer
    x = 59,687.38

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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.