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Finding the Fourth Proportional to 15,165.89, 22,748.05 and 5,810.39

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Solution

The fourth proportional to 15,165.89, 22,748.05 and 5,810.39 is: 8,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.89 : 22,748.05 = 5,810.39 : x
  2. Step 2: Convert to fraction form
    15,165.89/22,748.05 = 5,810.39/x
  3. Step 3: Cross multiply
    15,165.89x = 22,748.05 × 5,810.39
  4. Step 4: Simplify right side
    15,165.89x = 132,175,042.24
  5. Step 5: Solve for x
    x = 132,175,042.24/15,165.89
  6. Step 6: Final answer
    x = 8,715.28

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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.