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Finding the Fourth Proportional to 18,400.52, 25,392.68 and 10,017.08

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Solution

The fourth proportional to 18,400.52, 25,392.68 and 10,017.08 is: 13,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.52 : 25,392.68 = 10,017.08 : x
  2. Step 2: Convert to fraction form
    18,400.52/25,392.68 = 10,017.08/x
  3. Step 3: Cross multiply
    18,400.52x = 25,392.68 × 10,017.08
  4. Step 4: Simplify right side
    18,400.52x = 254,360,506.97
  5. Step 5: Solve for x
    x = 254,360,506.97/18,400.52
  6. Step 6: Final answer
    x = 13,823.55

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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.