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Finding the Fourth Proportional to 27,167.70, 40,751.55 and 25,636.80

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Solution

The fourth proportional to 27,167.70, 40,751.55 and 25,636.80 is: 38,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.70 : 40,751.55 = 25,636.80 : x
  2. Step 2: Convert to fraction form
    27,167.70/40,751.55 = 25,636.80/x
  3. Step 3: Cross multiply
    27,167.70x = 40,751.55 × 25,636.80
  4. Step 4: Simplify right side
    27,167.70x = 1,044,739,337.04
  5. Step 5: Solve for x
    x = 1,044,739,337.04/27,167.70
  6. Step 6: Final answer
    x = 38,455.20

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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.