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Finding the Fourth Proportional to 61,614.56, 85,049.88 and 36,464

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Solution

The fourth proportional to 61,614.56, 85,049.88 and 36,464 is: 50,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,614.56 : 85,049.88 = 36,464 : x
  2. Step 2: Convert to fraction form
    61,614.56/85,049.88 = 36,464/x
  3. Step 3: Cross multiply
    61,614.56x = 85,049.88 × 36,464
  4. Step 4: Simplify right side
    61,614.56x = 3,101,258,824.32
  5. Step 5: Solve for x
    x = 3,101,258,824.32/61,614.56
  6. Step 6: Final answer
    x = 50,333.21

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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.