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Finding the Fourth Proportional to 61,655.43, 85,084.79 and 34,799.07

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Solution

The fourth proportional to 61,655.43, 85,084.79 and 34,799.07 is: 48,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,655.43 : 85,084.79 = 34,799.07 : x
  2. Step 2: Convert to fraction form
    61,655.43/85,084.79 = 34,799.07/x
  3. Step 3: Cross multiply
    61,655.43x = 85,084.79 × 34,799.07
  4. Step 4: Simplify right side
    61,655.43x = 2,960,871,563.15
  5. Step 5: Solve for x
    x = 2,960,871,563.15/61,655.43
  6. Step 6: Final answer
    x = 48,022.88

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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.