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Finding the Fourth Proportional to 61,752.73, 85,217.65 and 34,894.66

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Solution

The fourth proportional to 61,752.73, 85,217.65 and 34,894.66 is: 48,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,752.73 : 85,217.65 = 34,894.66 : x
  2. Step 2: Convert to fraction form
    61,752.73/85,217.65 = 34,894.66/x
  3. Step 3: Cross multiply
    61,752.73x = 85,217.65 × 34,894.66
  4. Step 4: Simplify right side
    61,752.73x = 2,973,640,922.75
  5. Step 5: Solve for x
    x = 2,973,640,922.75/61,752.73
  6. Step 6: Final answer
    x = 48,154.00

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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.