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Finding the Fourth Proportional to 27,169.88, 37,494.53 and 15,847.19

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Solution

The fourth proportional to 27,169.88, 37,494.53 and 15,847.19 is: 21,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169.88 : 37,494.53 = 15,847.19 : x
  2. Step 2: Convert to fraction form
    27,169.88/37,494.53 = 15,847.19/x
  3. Step 3: Cross multiply
    27,169.88x = 37,494.53 × 15,847.19
  4. Step 4: Simplify right side
    27,169.88x = 594,182,874.19
  5. Step 5: Solve for x
    x = 594,182,874.19/27,169.88
  6. Step 6: Final answer
    x = 21,869.18

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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.