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Finding the Fourth Proportional to 60,911.80, 83,735.15 and 52,382.68

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Solution

The fourth proportional to 60,911.80, 83,735.15 and 52,382.68 is: 72,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,911.80 : 83,735.15 = 52,382.68 : x
  2. Step 2: Convert to fraction form
    60,911.80/83,735.15 = 52,382.68/x
  3. Step 3: Cross multiply
    60,911.80x = 83,735.15 × 52,382.68
  4. Step 4: Simplify right side
    60,911.80x = 4,386,271,567.20
  5. Step 5: Solve for x
    x = 4,386,271,567.20/60,911.80
  6. Step 6: Final answer
    x = 72,010.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.