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Finding the Fourth Proportional to 17,372.40, 26,073.16 and 7,519.20

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Solution

The fourth proportional to 17,372.40, 26,073.16 and 7,519.20 is: 11,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.40 : 26,073.16 = 7,519.20 : x
  2. Step 2: Convert to fraction form
    17,372.40/26,073.16 = 7,519.20/x
  3. Step 3: Cross multiply
    17,372.40x = 26,073.16 × 7,519.20
  4. Step 4: Simplify right side
    17,372.40x = 196,049,304.67
  5. Step 5: Solve for x
    x = 196,049,304.67/17,372.40
  6. Step 6: Final answer
    x = 11,285.10

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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.