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Finding the Fourth Proportional to 3,529.69, 5,294.44 and 932.65

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Solution

The fourth proportional to 3,529.69, 5,294.44 and 932.65 is: 1,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.69 : 5,294.44 = 932.65 : x
  2. Step 2: Convert to fraction form
    3,529.69/5,294.44 = 932.65/x
  3. Step 3: Cross multiply
    3,529.69x = 5,294.44 × 932.65
  4. Step 4: Simplify right side
    3,529.69x = 4,937,859.47
  5. Step 5: Solve for x
    x = 4,937,859.47/3,529.69
  6. Step 6: Final answer
    x = 1,398.95

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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.