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Finding the Fourth Proportional to 17,761.52, 26,642.28 and 8,998.94

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Solution

The fourth proportional to 17,761.52, 26,642.28 and 8,998.94 is: 13,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.52 : 26,642.28 = 8,998.94 : x
  2. Step 2: Convert to fraction form
    17,761.52/26,642.28 = 8,998.94/x
  3. Step 3: Cross multiply
    17,761.52x = 26,642.28 × 8,998.94
  4. Step 4: Simplify right side
    17,761.52x = 239,752,379.53
  5. Step 5: Solve for x
    x = 239,752,379.53/17,761.52
  6. Step 6: Final answer
    x = 13,498.41

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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.