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Finding the Fourth Proportional to 17,261.87, 25,894.28 and 7,398.80

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Solution

The fourth proportional to 17,261.87, 25,894.28 and 7,398.80 is: 11,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,261.87 : 25,894.28 = 7,398.80 : x
  2. Step 2: Convert to fraction form
    17,261.87/25,894.28 = 7,398.80/x
  3. Step 3: Cross multiply
    17,261.87x = 25,894.28 × 7,398.80
  4. Step 4: Simplify right side
    17,261.87x = 191,586,432.40
  5. Step 5: Solve for x
    x = 191,586,432.40/17,261.87
  6. Step 6: Final answer
    x = 11,098.83

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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.