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Finding the Fourth Proportional to 8,923.38, 13,375.40 and 5,805.61

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Solution

The fourth proportional to 8,923.38, 13,375.40 and 5,805.61 is: 8,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.38 : 13,375.40 = 5,805.61 : x
  2. Step 2: Convert to fraction form
    8,923.38/13,375.40 = 5,805.61/x
  3. Step 3: Cross multiply
    8,923.38x = 13,375.40 × 5,805.61
  4. Step 4: Simplify right side
    8,923.38x = 77,652,293.53
  5. Step 5: Solve for x
    x = 77,652,293.53/8,923.38
  6. Step 6: Final answer
    x = 8,702.11

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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.