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Finding the Fourth Proportional to 61,934.85, 85,471.68 and 35,076.98

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Solution

The fourth proportional to 61,934.85, 85,471.68 and 35,076.98 is: 48,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,934.85 : 85,471.68 = 35,076.98 : x
  2. Step 2: Convert to fraction form
    61,934.85/85,471.68 = 35,076.98/x
  3. Step 3: Cross multiply
    61,934.85x = 85,471.68 × 35,076.98
  4. Step 4: Simplify right side
    61,934.85x = 2,998,087,982.57
  5. Step 5: Solve for x
    x = 2,998,087,982.57/61,934.85
  6. Step 6: Final answer
    x = 48,407.12

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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.