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Finding the Fourth Proportional to 15,841.31, 23,755.01 and 4,748.90

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Solution

The fourth proportional to 15,841.31, 23,755.01 and 4,748.90 is: 7,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.31 : 23,755.01 = 4,748.90 : x
  2. Step 2: Convert to fraction form
    15,841.31/23,755.01 = 4,748.90/x
  3. Step 3: Cross multiply
    15,841.31x = 23,755.01 × 4,748.90
  4. Step 4: Simplify right side
    15,841.31x = 112,810,024.47
  5. Step 5: Solve for x
    x = 112,810,024.47/15,841.31
  6. Step 6: Final answer
    x = 7,121.26

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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.