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Finding the Fourth Proportional to 76,561.01, 114,841.52 and 23,974.60

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Solution

The fourth proportional to 76,561.01, 114,841.52 and 23,974.60 is: 35,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,561.01 : 114,841.52 = 23,974.60 : x
  2. Step 2: Convert to fraction form
    76,561.01/114,841.52 = 23,974.60/x
  3. Step 3: Cross multiply
    76,561.01x = 114,841.52 × 23,974.60
  4. Step 4: Simplify right side
    76,561.01x = 2,753,278,871.25
  5. Step 5: Solve for x
    x = 2,753,278,871.25/76,561.01
  6. Step 6: Final answer
    x = 35,961.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.