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Finding the Fourth Proportional to 29,452.98, 40,656.96 and 20,027.28

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Solution

The fourth proportional to 29,452.98, 40,656.96 and 20,027.28 is: 27,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,452.98 : 40,656.96 = 20,027.28 : x
  2. Step 2: Convert to fraction form
    29,452.98/40,656.96 = 20,027.28/x
  3. Step 3: Cross multiply
    29,452.98x = 40,656.96 × 20,027.28
  4. Step 4: Simplify right side
    29,452.98x = 814,248,321.87
  5. Step 5: Solve for x
    x = 814,248,321.87/29,452.98
  6. Step 6: Final answer
    x = 27,645.70

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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.