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Finding the Fourth Proportional to 17,192.90, 25,813.28 and 8,878.90

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Solution

The fourth proportional to 17,192.90, 25,813.28 and 8,878.90 is: 13,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,192.90 : 25,813.28 = 8,878.90 : x
  2. Step 2: Convert to fraction form
    17,192.90/25,813.28 = 8,878.90/x
  3. Step 3: Cross multiply
    17,192.90x = 25,813.28 × 8,878.90
  4. Step 4: Simplify right side
    17,192.90x = 229,193,531.79
  5. Step 5: Solve for x
    x = 229,193,531.79/17,192.90
  6. Step 6: Final answer
    x = 13,330.71

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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.