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Finding the Fourth Proportional to 83,745.65, 125,591.47 and 27,572.38

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Solution

The fourth proportional to 83,745.65, 125,591.47 and 27,572.38 is: 41,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,745.65 : 125,591.47 = 27,572.38 : x
  2. Step 2: Convert to fraction form
    83,745.65/125,591.47 = 27,572.38/x
  3. Step 3: Cross multiply
    83,745.65x = 125,591.47 × 27,572.38
  4. Step 4: Simplify right side
    83,745.65x = 3,462,855,988.09
  5. Step 5: Solve for x
    x = 3,462,855,988.09/83,745.65
  6. Step 6: Final answer
    x = 41,349.68

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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.