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Finding the Fourth Proportional to 27,167.20, 40,702.20 and 23,279.20

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Solution

The fourth proportional to 27,167.20, 40,702.20 and 23,279.20 is: 34,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.20 : 40,702.20 = 23,279.20 : x
  2. Step 2: Convert to fraction form
    27,167.20/40,702.20 = 23,279.20/x
  3. Step 3: Cross multiply
    27,167.20x = 40,702.20 × 23,279.20
  4. Step 4: Simplify right side
    27,167.20x = 947,514,654.24
  5. Step 5: Solve for x
    x = 947,514,654.24/27,167.20
  6. Step 6: Final answer
    x = 34,877.16

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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.