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Finding the Fourth Proportional to 17,479.88, 26,204.28 and 12,537.08

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Solution

The fourth proportional to 17,479.88, 26,204.28 and 12,537.08 is: 18,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.88 : 26,204.28 = 12,537.08 : x
  2. Step 2: Convert to fraction form
    17,479.88/26,204.28 = 12,537.08/x
  3. Step 3: Cross multiply
    17,479.88x = 26,204.28 × 12,537.08
  4. Step 4: Simplify right side
    17,479.88x = 328,525,154.70
  5. Step 5: Solve for x
    x = 328,525,154.70/17,479.88
  6. Step 6: Final answer
    x = 18,794.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.