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Finding the Fourth Proportional to 63,661.60, 87,820.05 and 43,244.71

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Solution

The fourth proportional to 63,661.60, 87,820.05 and 43,244.71 is: 59,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,661.60 : 87,820.05 = 43,244.71 : x
  2. Step 2: Convert to fraction form
    63,661.60/87,820.05 = 43,244.71/x
  3. Step 3: Cross multiply
    63,661.60x = 87,820.05 × 43,244.71
  4. Step 4: Simplify right side
    63,661.60x = 3,797,752,594.44
  5. Step 5: Solve for x
    x = 3,797,752,594.44/63,661.60
  6. Step 6: Final answer
    x = 59,655.31

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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.