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Finding the Fourth Proportional to 44,411.97, 66,617.96 and 12,389.79

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Solution

The fourth proportional to 44,411.97, 66,617.96 and 12,389.79 is: 18,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,411.97 : 66,617.96 = 12,389.79 : x
  2. Step 2: Convert to fraction form
    44,411.97/66,617.96 = 12,389.79/x
  3. Step 3: Cross multiply
    44,411.97x = 66,617.96 × 12,389.79
  4. Step 4: Simplify right side
    44,411.97x = 825,382,534.63
  5. Step 5: Solve for x
    x = 825,382,534.63/44,411.97
  6. Step 6: Final answer
    x = 18,584.69

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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.