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Finding the Fourth Proportional to 61,666.80, 92,500.20 and 22,236.24

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Solution

The fourth proportional to 61,666.80, 92,500.20 and 22,236.24 is: 33,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.80 : 92,500.20 = 22,236.24 : x
  2. Step 2: Convert to fraction form
    61,666.80/92,500.20 = 22,236.24/x
  3. Step 3: Cross multiply
    61,666.80x = 92,500.20 × 22,236.24
  4. Step 4: Simplify right side
    61,666.80x = 2,056,856,647.25
  5. Step 5: Solve for x
    x = 2,056,856,647.25/61,666.80
  6. Step 6: Final answer
    x = 33,354.36

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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.