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Finding the Fourth Proportional to 27,098.01, 40,650.85 and 8,379.69

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Solution

The fourth proportional to 27,098.01, 40,650.85 and 8,379.69 is: 12,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,098.01 : 40,650.85 = 8,379.69 : x
  2. Step 2: Convert to fraction form
    27,098.01/40,650.85 = 8,379.69/x
  3. Step 3: Cross multiply
    27,098.01x = 40,650.85 × 8,379.69
  4. Step 4: Simplify right side
    27,098.01x = 340,641,332.13
  5. Step 5: Solve for x
    x = 340,641,332.13/27,098.01
  6. Step 6: Final answer
    x = 12,570.71

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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.