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Finding the Fourth Proportional to 2,324.59, 3,206.59 and 1,392.55

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Solution

The fourth proportional to 2,324.59, 3,206.59 and 1,392.55 is: 1,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.59 : 3,206.59 = 1,392.55 : x
  2. Step 2: Convert to fraction form
    2,324.59/3,206.59 = 1,392.55/x
  3. Step 3: Cross multiply
    2,324.59x = 3,206.59 × 1,392.55
  4. Step 4: Simplify right side
    2,324.59x = 4,465,336.90
  5. Step 5: Solve for x
    x = 4,465,336.90/2,324.59
  6. Step 6: Final answer
    x = 1,920.91

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1.5x scale

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.