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Finding the Fourth Proportional to 18,354.26, 27,527.24 and 8,488.13

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Solution

The fourth proportional to 18,354.26, 27,527.24 and 8,488.13 is: 12,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.26 : 27,527.24 = 8,488.13 : x
  2. Step 2: Convert to fraction form
    18,354.26/27,527.24 = 8,488.13/x
  3. Step 3: Cross multiply
    18,354.26x = 27,527.24 × 8,488.13
  4. Step 4: Simplify right side
    18,354.26x = 233,654,675.25
  5. Step 5: Solve for x
    x = 233,654,675.25/18,354.26
  6. Step 6: Final answer
    x = 12,730.27

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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.