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Finding the Fourth Proportional to 17,348.31, 26,024.09 and 7,990.92

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Solution

The fourth proportional to 17,348.31, 26,024.09 and 7,990.92 is: 11,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,348.31 : 26,024.09 = 7,990.92 : x
  2. Step 2: Convert to fraction form
    17,348.31/26,024.09 = 7,990.92/x
  3. Step 3: Cross multiply
    17,348.31x = 26,024.09 × 7,990.92
  4. Step 4: Simplify right side
    17,348.31x = 207,956,381.31
  5. Step 5: Solve for x
    x = 207,956,381.31/17,348.31
  6. Step 6: Final answer
    x = 11,987.13

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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.