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Finding the Fourth Proportional to 61,604.76, 85,014.45 and 34,747.18

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Solution

The fourth proportional to 61,604.76, 85,014.45 and 34,747.18 is: 47,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,604.76 : 85,014.45 = 34,747.18 : x
  2. Step 2: Convert to fraction form
    61,604.76/85,014.45 = 34,747.18/x
  3. Step 3: Cross multiply
    61,604.76x = 85,014.45 × 34,747.18
  4. Step 4: Simplify right side
    61,604.76x = 2,954,012,396.75
  5. Step 5: Solve for x
    x = 2,954,012,396.75/61,604.76
  6. Step 6: Final answer
    x = 47,951.04

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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.