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Finding the Fourth Proportional to 61,725.62, 85,181 and 34,866.84

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Solution

The fourth proportional to 61,725.62, 85,181 and 34,866.84 is: 48,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,725.62 : 85,181 = 34,866.84 : x
  2. Step 2: Convert to fraction form
    61,725.62/85,181 = 34,866.84/x
  3. Step 3: Cross multiply
    61,725.62x = 85,181 × 34,866.84
  4. Step 4: Simplify right side
    61,725.62x = 2,969,992,298.04
  5. Step 5: Solve for x
    x = 2,969,992,298.04/61,725.62
  6. Step 6: Final answer
    x = 48,116.04

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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.