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Finding the Fourth Proportional to 2,401.30, 3,600.51 and 938.71

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Solution

The fourth proportional to 2,401.30, 3,600.51 and 938.71 is: 1,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.30 : 3,600.51 = 938.71 : x
  2. Step 2: Convert to fraction form
    2,401.30/3,600.51 = 938.71/x
  3. Step 3: Cross multiply
    2,401.30x = 3,600.51 × 938.71
  4. Step 4: Simplify right side
    2,401.30x = 3,379,834.74
  5. Step 5: Solve for x
    x = 3,379,834.74/2,401.30
  6. Step 6: Final answer
    x = 1,407.50

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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.