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Finding the Fourth Proportional to 3,488.77, 5,223.84 and 2,935.19

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Solution

The fourth proportional to 3,488.77, 5,223.84 and 2,935.19 is: 4,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.77 : 5,223.84 = 2,935.19 : x
  2. Step 2: Convert to fraction form
    3,488.77/5,223.84 = 2,935.19/x
  3. Step 3: Cross multiply
    3,488.77x = 5,223.84 × 2,935.19
  4. Step 4: Simplify right side
    3,488.77x = 15,332,952.11
  5. Step 5: Solve for x
    x = 15,332,952.11/3,488.77
  6. Step 6: Final answer
    x = 4,394.94

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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.