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Finding the Fourth Proportional to 61,744.97, 85,209.72 and 34,886.88

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Solution

The fourth proportional to 61,744.97, 85,209.72 and 34,886.88 is: 48,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,744.97 : 85,209.72 = 34,886.88 : x
  2. Step 2: Convert to fraction form
    61,744.97/85,209.72 = 34,886.88/x
  3. Step 3: Cross multiply
    61,744.97x = 85,209.72 × 34,886.88
  4. Step 4: Simplify right side
    61,744.97x = 2,972,701,276.47
  5. Step 5: Solve for x
    x = 2,972,701,276.47/61,744.97
  6. Step 6: Final answer
    x = 48,144.84

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1.5x scale

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.