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Finding the Fourth Proportional to 23,201.55, 32,018.16 and 12,591.19

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Solution

The fourth proportional to 23,201.55, 32,018.16 and 12,591.19 is: 17,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,201.55 : 32,018.16 = 12,591.19 : x
  2. Step 2: Convert to fraction form
    23,201.55/32,018.16 = 12,591.19/x
  3. Step 3: Cross multiply
    23,201.55x = 32,018.16 × 12,591.19
  4. Step 4: Simplify right side
    23,201.55x = 403,146,575.92
  5. Step 5: Solve for x
    x = 403,146,575.92/23,201.55
  6. Step 6: Final answer
    x = 17,375.85

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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.