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Finding the Fourth Proportional to 39,988.89, 59,983.20 and 37,553.22

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Solution

The fourth proportional to 39,988.89, 59,983.20 and 37,553.22 is: 56,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.89 : 59,983.20 = 37,553.22 : x
  2. Step 2: Convert to fraction form
    39,988.89/59,983.20 = 37,553.22/x
  3. Step 3: Cross multiply
    39,988.89x = 59,983.20 × 37,553.22
  4. Step 4: Simplify right side
    39,988.89x = 2,252,562,305.90
  5. Step 5: Solve for x
    x = 2,252,562,305.90/39,988.89
  6. Step 6: Final answer
    x = 56,329.70

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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.