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Finding the Fourth Proportional to 43,864.97, 65,822.54 and 18,562.49

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Solution

The fourth proportional to 43,864.97, 65,822.54 and 18,562.49 is: 27,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,864.97 : 65,822.54 = 18,562.49 : x
  2. Step 2: Convert to fraction form
    43,864.97/65,822.54 = 18,562.49/x
  3. Step 3: Cross multiply
    43,864.97x = 65,822.54 × 18,562.49
  4. Step 4: Simplify right side
    43,864.97x = 1,221,830,147.71
  5. Step 5: Solve for x
    x = 1,221,830,147.71/43,864.97
  6. Step 6: Final answer
    x = 27,854.35

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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.