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Finding the Fourth Proportional to 47,348.89, 71,034.90 and 15,758.89

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Solution

The fourth proportional to 47,348.89, 71,034.90 and 15,758.89 is: 23,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,348.89 : 71,034.90 = 15,758.89 : x
  2. Step 2: Convert to fraction form
    47,348.89/71,034.90 = 15,758.89/x
  3. Step 3: Cross multiply
    47,348.89x = 71,034.90 × 15,758.89
  4. Step 4: Simplify right side
    47,348.89x = 1,119,431,175.26
  5. Step 5: Solve for x
    x = 1,119,431,175.26/47,348.89
  6. Step 6: Final answer
    x = 23,642.18

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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.