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Finding the Fourth Proportional to 27,391.68, 41,087.55 and 8,923.68

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Solution

The fourth proportional to 27,391.68, 41,087.55 and 8,923.68 is: 13,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.68 : 41,087.55 = 8,923.68 : x
  2. Step 2: Convert to fraction form
    27,391.68/41,087.55 = 8,923.68/x
  3. Step 3: Cross multiply
    27,391.68x = 41,087.55 × 8,923.68
  4. Step 4: Simplify right side
    27,391.68x = 366,652,148.18
  5. Step 5: Solve for x
    x = 366,652,148.18/27,391.68
  6. Step 6: Final answer
    x = 13,385.53

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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.