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Finding the Fourth Proportional to 1,870.92, 2,581.52 and 1,162.96

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Solution

The fourth proportional to 1,870.92, 2,581.52 and 1,162.96 is: 1,604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.92 : 2,581.52 = 1,162.96 : x
  2. Step 2: Convert to fraction form
    1,870.92/2,581.52 = 1,162.96/x
  3. Step 3: Cross multiply
    1,870.92x = 2,581.52 × 1,162.96
  4. Step 4: Simplify right side
    1,870.92x = 3,002,192.23
  5. Step 5: Solve for x
    x = 3,002,192.23/1,870.92
  6. Step 6: Final answer
    x = 1,604.66

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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.