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Finding the Fourth Proportional to 3,713.04, 5,569.26 and 1,521.79

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Solution

The fourth proportional to 3,713.04, 5,569.26 and 1,521.79 is: 2,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.04 : 5,569.26 = 1,521.79 : x
  2. Step 2: Convert to fraction form
    3,713.04/5,569.26 = 1,521.79/x
  3. Step 3: Cross multiply
    3,713.04x = 5,569.26 × 1,521.79
  4. Step 4: Simplify right side
    3,713.04x = 8,475,224.55
  5. Step 5: Solve for x
    x = 8,475,224.55/3,713.04
  6. Step 6: Final answer
    x = 2,282.56

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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.