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Finding the Fourth Proportional to 2,275.92, 3,411.18 and 1,300.14

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Solution

The fourth proportional to 2,275.92, 3,411.18 and 1,300.14 is: 1,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.92 : 3,411.18 = 1,300.14 : x
  2. Step 2: Convert to fraction form
    2,275.92/3,411.18 = 1,300.14/x
  3. Step 3: Cross multiply
    2,275.92x = 3,411.18 × 1,300.14
  4. Step 4: Simplify right side
    2,275.92x = 4,435,011.57
  5. Step 5: Solve for x
    x = 4,435,011.57/2,275.92
  6. Step 6: Final answer
    x = 1,948.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.