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Finding the Fourth Proportional to 23,201.92, 32,018.88 and 12,591.64

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Solution

The fourth proportional to 23,201.92, 32,018.88 and 12,591.64 is: 17,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,201.92 : 32,018.88 = 12,591.64 : x
  2. Step 2: Convert to fraction form
    23,201.92/32,018.88 = 12,591.64/x
  3. Step 3: Cross multiply
    23,201.92x = 32,018.88 × 12,591.64
  4. Step 4: Simplify right side
    23,201.92x = 403,170,210.16
  5. Step 5: Solve for x
    x = 403,170,210.16/23,201.92
  6. Step 6: Final answer
    x = 17,376.59

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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.