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Finding the Fourth Proportional to 27,801.59, 41,702.19 and 11,149.71

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Solution

The fourth proportional to 27,801.59, 41,702.19 and 11,149.71 is: 16,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.59 : 41,702.19 = 11,149.71 : x
  2. Step 2: Convert to fraction form
    27,801.59/41,702.19 = 11,149.71/x
  3. Step 3: Cross multiply
    27,801.59x = 41,702.19 × 11,149.71
  4. Step 4: Simplify right side
    27,801.59x = 464,967,324.86
  5. Step 5: Solve for x
    x = 464,967,324.86/27,801.59
  6. Step 6: Final answer
    x = 16,724.49

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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.