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Finding the Fourth Proportional to 43,897.97, 65,718.43 and 27,207.65

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Solution

The fourth proportional to 43,897.97, 65,718.43 and 27,207.65 is: 40,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,897.97 : 65,718.43 = 27,207.65 : x
  2. Step 2: Convert to fraction form
    43,897.97/65,718.43 = 27,207.65/x
  3. Step 3: Cross multiply
    43,897.97x = 65,718.43 × 27,207.65
  4. Step 4: Simplify right side
    43,897.97x = 1,788,044,041.99
  5. Step 5: Solve for x
    x = 1,788,044,041.99/43,897.97
  6. Step 6: Final answer
    x = 40,731.82

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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.