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Finding the Fourth Proportional to 43,963.55, 65,951.48 and 14,375.49

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Solution

The fourth proportional to 43,963.55, 65,951.48 and 14,375.49 is: 21,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,963.55 : 65,951.48 = 14,375.49 : x
  2. Step 2: Convert to fraction form
    43,963.55/65,951.48 = 14,375.49/x
  3. Step 3: Cross multiply
    43,963.55x = 65,951.48 × 14,375.49
  4. Step 4: Simplify right side
    43,963.55x = 948,084,823.26
  5. Step 5: Solve for x
    x = 948,084,823.26/43,963.55
  6. Step 6: Final answer
    x = 21,565.25

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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.