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Finding the Fourth Proportional to 63,620.52, 87,747.66 and 43,218.32

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Solution

The fourth proportional to 63,620.52, 87,747.66 and 43,218.32 is: 59,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620.52 : 87,747.66 = 43,218.32 : x
  2. Step 2: Convert to fraction form
    63,620.52/87,747.66 = 43,218.32/x
  3. Step 3: Cross multiply
    63,620.52x = 87,747.66 × 43,218.32
  4. Step 4: Simplify right side
    63,620.52x = 3,792,306,378.73
  5. Step 5: Solve for x
    x = 3,792,306,378.73/63,620.52
  6. Step 6: Final answer
    x = 59,608.22

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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.