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Finding the Fourth Proportional to 62,147.42, 85,764.02 and 35,290.49

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Solution

The fourth proportional to 62,147.42, 85,764.02 and 35,290.49 is: 48,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,147.42 : 85,764.02 = 35,290.49 : x
  2. Step 2: Convert to fraction form
    62,147.42/85,764.02 = 35,290.49/x
  3. Step 3: Cross multiply
    62,147.42x = 85,764.02 × 35,290.49
  4. Step 4: Simplify right side
    62,147.42x = 3,026,654,290.17
  5. Step 5: Solve for x
    x = 3,026,654,290.17/62,147.42
  6. Step 6: Final answer
    x = 48,701.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.