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Finding the Fourth Proportional to 4,411.05, 6,613.10 and 3,020.17

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Solution

The fourth proportional to 4,411.05, 6,613.10 and 3,020.17 is: 4,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.05 : 6,613.10 = 3,020.17 : x
  2. Step 2: Convert to fraction form
    4,411.05/6,613.10 = 3,020.17/x
  3. Step 3: Cross multiply
    4,411.05x = 6,613.10 × 3,020.17
  4. Step 4: Simplify right side
    4,411.05x = 19,972,677.24
  5. Step 5: Solve for x
    x = 19,972,677.24/4,411.05
  6. Step 6: Final answer
    x = 4,527.87

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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.