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Finding the Fourth Proportional to 2,711.94, 4,066.44 and 932.52

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Solution

The fourth proportional to 2,711.94, 4,066.44 and 932.52 is: 1,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.94 : 4,066.44 = 932.52 : x
  2. Step 2: Convert to fraction form
    2,711.94/4,066.44 = 932.52/x
  3. Step 3: Cross multiply
    2,711.94x = 4,066.44 × 932.52
  4. Step 4: Simplify right side
    2,711.94x = 3,792,036.63
  5. Step 5: Solve for x
    x = 3,792,036.63/2,711.94
  6. Step 6: Final answer
    x = 1,398.27

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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.