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Finding the Fourth Proportional to 55,487.88, 83,200.14 and 33,008.04

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Solution

The fourth proportional to 55,487.88, 83,200.14 and 33,008.04 is: 49,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487.88 : 83,200.14 = 33,008.04 : x
  2. Step 2: Convert to fraction form
    55,487.88/83,200.14 = 33,008.04/x
  3. Step 3: Cross multiply
    55,487.88x = 83,200.14 × 33,008.04
  4. Step 4: Simplify right side
    55,487.88x = 2,746,273,549.13
  5. Step 5: Solve for x
    x = 2,746,273,549.13/55,487.88
  6. Step 6: Final answer
    x = 49,493.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.