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Finding the Fourth Proportional to 18,137.20, 25,037.06 and 17,002.29

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Solution

The fourth proportional to 18,137.20, 25,037.06 and 17,002.29 is: 23,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.20 : 25,037.06 = 17,002.29 : x
  2. Step 2: Convert to fraction form
    18,137.20/25,037.06 = 17,002.29/x
  3. Step 3: Cross multiply
    18,137.20x = 25,037.06 × 17,002.29
  4. Step 4: Simplify right side
    18,137.20x = 425,687,354.87
  5. Step 5: Solve for x
    x = 425,687,354.87/18,137.20
  6. Step 6: Final answer
    x = 23,470.40

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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.