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Finding the Fourth Proportional to 17,488.72, 26,244 and 7,100.46

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Solution

The fourth proportional to 17,488.72, 26,244 and 7,100.46 is: 10,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.72 : 26,244 = 7,100.46 : x
  2. Step 2: Convert to fraction form
    17,488.72/26,244 = 7,100.46/x
  3. Step 3: Cross multiply
    17,488.72x = 26,244 × 7,100.46
  4. Step 4: Simplify right side
    17,488.72x = 186,344,472.24
  5. Step 5: Solve for x
    x = 186,344,472.24/17,488.72
  6. Step 6: Final answer
    x = 10,655.12

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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.