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Finding the Fourth Proportional to 63,568.50, 87,740.65 and 43,433.52

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Solution

The fourth proportional to 63,568.50, 87,740.65 and 43,433.52 is: 59,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,568.50 : 87,740.65 = 43,433.52 : x
  2. Step 2: Convert to fraction form
    63,568.50/87,740.65 = 43,433.52/x
  3. Step 3: Cross multiply
    63,568.50x = 87,740.65 × 43,433.52
  4. Step 4: Simplify right side
    63,568.50x = 3,810,885,276.59
  5. Step 5: Solve for x
    x = 3,810,885,276.59/63,568.50
  6. Step 6: Final answer
    x = 59,949.27

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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.