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Finding the Fourth Proportional to 43,881.53, 65,829.12 and 14,292.47

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Solution

The fourth proportional to 43,881.53, 65,829.12 and 14,292.47 is: 21,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,881.53 : 65,829.12 = 14,292.47 : x
  2. Step 2: Convert to fraction form
    43,881.53/65,829.12 = 14,292.47/x
  3. Step 3: Cross multiply
    43,881.53x = 65,829.12 × 14,292.47
  4. Step 4: Simplify right side
    43,881.53x = 940,860,833.70
  5. Step 5: Solve for x
    x = 940,860,833.70/43,881.53
  6. Step 6: Final answer
    x = 21,440.93

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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.