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Finding the Fourth Proportional to 27,167.20, 40,750.80 and 25,636.30

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Solution

The fourth proportional to 27,167.20, 40,750.80 and 25,636.30 is: 38,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.20 : 40,750.80 = 25,636.30 : x
  2. Step 2: Convert to fraction form
    27,167.20/40,750.80 = 25,636.30/x
  3. Step 3: Cross multiply
    27,167.20x = 40,750.80 × 25,636.30
  4. Step 4: Simplify right side
    27,167.20x = 1,044,699,734.04
  5. Step 5: Solve for x
    x = 1,044,699,734.04/27,167.20
  6. Step 6: Final answer
    x = 38,454.45

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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.