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Finding the Fourth Proportional to 17,486.70, 26,240.98 and 7,098.46

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Solution

The fourth proportional to 17,486.70, 26,240.98 and 7,098.46 is: 10,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486.70 : 26,240.98 = 7,098.46 : x
  2. Step 2: Convert to fraction form
    17,486.70/26,240.98 = 7,098.46/x
  3. Step 3: Cross multiply
    17,486.70x = 26,240.98 × 7,098.46
  4. Step 4: Simplify right side
    17,486.70x = 186,270,546.89
  5. Step 5: Solve for x
    x = 186,270,546.89/17,486.70
  6. Step 6: Final answer
    x = 10,652.13

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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.