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Finding the Fourth Proportional to 61,654.43, 85,082.93 and 34,796.86

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Solution

The fourth proportional to 61,654.43, 85,082.93 and 34,796.86 is: 48,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,654.43 : 85,082.93 = 34,796.86 : x
  2. Step 2: Convert to fraction form
    61,654.43/85,082.93 = 34,796.86/x
  3. Step 3: Cross multiply
    61,654.43x = 85,082.93 × 34,796.86
  4. Step 4: Simplify right side
    61,654.43x = 2,960,618,378.19
  5. Step 5: Solve for x
    x = 2,960,618,378.19/61,654.43
  6. Step 6: Final answer
    x = 48,019.56

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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.