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Finding the Fourth Proportional to 1,956.68, 2,695.68 and 1,366.28

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Solution

The fourth proportional to 1,956.68, 2,695.68 and 1,366.28 is: 1,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.68 : 2,695.68 = 1,366.28 : x
  2. Step 2: Convert to fraction form
    1,956.68/2,695.68 = 1,366.28/x
  3. Step 3: Cross multiply
    1,956.68x = 2,695.68 × 1,366.28
  4. Step 4: Simplify right side
    1,956.68x = 3,683,053.67
  5. Step 5: Solve for x
    x = 3,683,053.67/1,956.68
  6. Step 6: Final answer
    x = 1,882.30

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Why These Related Problems?

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