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Finding the Fourth Proportional to 17,591.20, 26,404.08 and 13,392.16

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Solution

The fourth proportional to 17,591.20, 26,404.08 and 13,392.16 is: 20,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,591.20 : 26,404.08 = 13,392.16 : x
  2. Step 2: Convert to fraction form
    17,591.20/26,404.08 = 13,392.16/x
  3. Step 3: Cross multiply
    17,591.20x = 26,404.08 × 13,392.16
  4. Step 4: Simplify right side
    17,591.20x = 353,607,664.01
  5. Step 5: Solve for x
    x = 353,607,664.01/17,591.20
  6. Step 6: Final answer
    x = 20,101.40

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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.