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Finding the Fourth Proportional to 2,324.55, 3,207.65 and 1,329.87

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Solution

The fourth proportional to 2,324.55, 3,207.65 and 1,329.87 is: 1,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.55 : 3,207.65 = 1,329.87 : x
  2. Step 2: Convert to fraction form
    2,324.55/3,207.65 = 1,329.87/x
  3. Step 3: Cross multiply
    2,324.55x = 3,207.65 × 1,329.87
  4. Step 4: Simplify right side
    2,324.55x = 4,265,750.86
  5. Step 5: Solve for x
    x = 4,265,750.86/2,324.55
  6. Step 6: Final answer
    x = 1,835.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.