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Finding the Fourth Proportional to 17,687.53, 26,537.06 and 8,454.25

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Solution

The fourth proportional to 17,687.53, 26,537.06 and 8,454.25 is: 12,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.53 : 26,537.06 = 8,454.25 : x
  2. Step 2: Convert to fraction form
    17,687.53/26,537.06 = 8,454.25/x
  3. Step 3: Cross multiply
    17,687.53x = 26,537.06 × 8,454.25
  4. Step 4: Simplify right side
    17,687.53x = 224,350,897.23
  5. Step 5: Solve for x
    x = 224,350,897.23/17,687.53
  6. Step 6: Final answer
    x = 12,684.13

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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.