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Finding the Fourth Proportional to 18,677.52, 25,752.24 and 13,017.24

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Solution

The fourth proportional to 18,677.52, 25,752.24 and 13,017.24 is: 17,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.52 : 25,752.24 = 13,017.24 : x
  2. Step 2: Convert to fraction form
    18,677.52/25,752.24 = 13,017.24/x
  3. Step 3: Cross multiply
    18,677.52x = 25,752.24 × 13,017.24
  4. Step 4: Simplify right side
    18,677.52x = 335,223,088.62
  5. Step 5: Solve for x
    x = 335,223,088.62/18,677.52
  6. Step 6: Final answer
    x = 17,947.94

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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.