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Finding the Fourth Proportional to 2,262.82, 3,124.83 and 1,478.74

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Solution

The fourth proportional to 2,262.82, 3,124.83 and 1,478.74 is: 2,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.82 : 3,124.83 = 1,478.74 : x
  2. Step 2: Convert to fraction form
    2,262.82/3,124.83 = 1,478.74/x
  3. Step 3: Cross multiply
    2,262.82x = 3,124.83 × 1,478.74
  4. Step 4: Simplify right side
    2,262.82x = 4,620,811.11
  5. Step 5: Solve for x
    x = 4,620,811.11/2,262.82
  6. Step 6: Final answer
    x = 2,042.06

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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.