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Finding the Fourth Proportional to 17,490.30, 26,228.97 and 7,098.54

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Solution

The fourth proportional to 17,490.30, 26,228.97 and 7,098.54 is: 10,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.30 : 26,228.97 = 7,098.54 : x
  2. Step 2: Convert to fraction form
    17,490.30/26,228.97 = 7,098.54/x
  3. Step 3: Cross multiply
    17,490.30x = 26,228.97 × 7,098.54
  4. Step 4: Simplify right side
    17,490.30x = 186,187,392.70
  5. Step 5: Solve for x
    x = 186,187,392.70/17,490.30
  6. Step 6: Final answer
    x = 10,645.18

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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.