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Finding the Fourth Proportional to 2,327.65, 3,212.16 and 1,332.92

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Solution

The fourth proportional to 2,327.65, 3,212.16 and 1,332.92 is: 1,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.65 : 3,212.16 = 1,332.92 : x
  2. Step 2: Convert to fraction form
    2,327.65/3,212.16 = 1,332.92/x
  3. Step 3: Cross multiply
    2,327.65x = 3,212.16 × 1,332.92
  4. Step 4: Simplify right side
    2,327.65x = 4,281,562.84
  5. Step 5: Solve for x
    x = 4,281,562.84/2,327.65
  6. Step 6: Final answer
    x = 1,839.43

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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.