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Finding the Fourth Proportional to 1,718.67, 2,581.52 and 1,134.51

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Solution

The fourth proportional to 1,718.67, 2,581.52 and 1,134.51 is: 1,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.67 : 2,581.52 = 1,134.51 : x
  2. Step 2: Convert to fraction form
    1,718.67/2,581.52 = 1,134.51/x
  3. Step 3: Cross multiply
    1,718.67x = 2,581.52 × 1,134.51
  4. Step 4: Simplify right side
    1,718.67x = 2,928,754.58
  5. Step 5: Solve for x
    x = 2,928,754.58/1,718.67
  6. Step 6: Final answer
    x = 1,704.08

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Why These Related Problems?

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