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Finding the Fourth Proportional to 3,332, 4,992.72 and 2,232.32

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Solution

The fourth proportional to 3,332, 4,992.72 and 2,232.32 is: 3,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332 : 4,992.72 = 2,232.32 : x
  2. Step 2: Convert to fraction form
    3,332/4,992.72 = 2,232.32/x
  3. Step 3: Cross multiply
    3,332x = 4,992.72 × 2,232.32
  4. Step 4: Simplify right side
    3,332x = 11,145,348.71
  5. Step 5: Solve for x
    x = 11,145,348.71/3,332
  6. Step 6: Final answer
    x = 3,344.94

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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.