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Finding the Fourth Proportional to 17,353.98, 26,044.65 and 8,920.15

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Solution

The fourth proportional to 17,353.98, 26,044.65 and 8,920.15 is: 13,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,353.98 : 26,044.65 = 8,920.15 : x
  2. Step 2: Convert to fraction form
    17,353.98/26,044.65 = 8,920.15/x
  3. Step 3: Cross multiply
    17,353.98x = 26,044.65 × 8,920.15
  4. Step 4: Simplify right side
    17,353.98x = 232,322,184.70
  5. Step 5: Solve for x
    x = 232,322,184.70/17,353.98
  6. Step 6: Final answer
    x = 13,387.26

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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.