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Finding the Fourth Proportional to 1,480.41, 2,042.82 and 1,107

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Solution

The fourth proportional to 1,480.41, 2,042.82 and 1,107 is: 1,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.41 : 2,042.82 = 1,107 : x
  2. Step 2: Convert to fraction form
    1,480.41/2,042.82 = 1,107/x
  3. Step 3: Cross multiply
    1,480.41x = 2,042.82 × 1,107
  4. Step 4: Simplify right side
    1,480.41x = 2,261,401.74
  5. Step 5: Solve for x
    x = 2,261,401.74/1,480.41
  6. Step 6: Final answer
    x = 1,527.55

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