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Finding the Fourth Proportional to 27,973.12, 38,601.44 and 15,395.44

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Solution

The fourth proportional to 27,973.12, 38,601.44 and 15,395.44 is: 21,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,973.12 : 38,601.44 = 15,395.44 : x
  2. Step 2: Convert to fraction form
    27,973.12/38,601.44 = 15,395.44/x
  3. Step 3: Cross multiply
    27,973.12x = 38,601.44 × 15,395.44
  4. Step 4: Simplify right side
    27,973.12x = 594,286,153.43
  5. Step 5: Solve for x
    x = 594,286,153.43/27,973.12
  6. Step 6: Final answer
    x = 21,244.90

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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.