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Finding the Fourth Proportional to 18,427.77, 25,429.82 and 10,044.27

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Solution

The fourth proportional to 18,427.77, 25,429.82 and 10,044.27 is: 13,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.77 : 25,429.82 = 10,044.27 : x
  2. Step 2: Convert to fraction form
    18,427.77/25,429.82 = 10,044.27/x
  3. Step 3: Cross multiply
    18,427.77x = 25,429.82 × 10,044.27
  4. Step 4: Simplify right side
    18,427.77x = 255,423,927.91
  5. Step 5: Solve for x
    x = 255,423,927.91/18,427.77
  6. Step 6: Final answer
    x = 13,860.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.