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Finding the Fourth Proportional to 17,187.53, 25,787.84 and 8,862.24

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Solution

The fourth proportional to 17,187.53, 25,787.84 and 8,862.24 is: 13,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.53 : 25,787.84 = 8,862.24 : x
  2. Step 2: Convert to fraction form
    17,187.53/25,787.84 = 8,862.24/x
  3. Step 3: Cross multiply
    17,187.53x = 25,787.84 × 8,862.24
  4. Step 4: Simplify right side
    17,187.53x = 228,537,936.75
  5. Step 5: Solve for x
    x = 228,537,936.75/17,187.53
  6. Step 6: Final answer
    x = 13,296.73

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1.5x scale

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.