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Finding the Fourth Proportional to 27,669.66, 41,488.02 and 12,881.88

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Solution

The fourth proportional to 27,669.66, 41,488.02 and 12,881.88 is: 19,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.66 : 41,488.02 = 12,881.88 : x
  2. Step 2: Convert to fraction form
    27,669.66/41,488.02 = 12,881.88/x
  3. Step 3: Cross multiply
    27,669.66x = 41,488.02 × 12,881.88
  4. Step 4: Simplify right side
    27,669.66x = 534,443,695.08
  5. Step 5: Solve for x
    x = 534,443,695.08/27,669.66
  6. Step 6: Final answer
    x = 19,315.15

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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.