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Finding the Fourth Proportional to 17,641.52, 26,462.30 and 5,329.52

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Solution

The fourth proportional to 17,641.52, 26,462.30 and 5,329.52 is: 7,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,641.52 : 26,462.30 = 5,329.52 : x
  2. Step 2: Convert to fraction form
    17,641.52/26,462.30 = 5,329.52/x
  3. Step 3: Cross multiply
    17,641.52x = 26,462.30 × 5,329.52
  4. Step 4: Simplify right side
    17,641.52x = 141,031,357.10
  5. Step 5: Solve for x
    x = 141,031,357.10/17,641.52
  6. Step 6: Final answer
    x = 7,994.29

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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.