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Finding the Fourth Proportional to 1,746.27, 2,619.71 and 868.82

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Solution

The fourth proportional to 1,746.27, 2,619.71 and 868.82 is: 1,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.27 : 2,619.71 = 868.82 : x
  2. Step 2: Convert to fraction form
    1,746.27/2,619.71 = 868.82/x
  3. Step 3: Cross multiply
    1,746.27x = 2,619.71 × 868.82
  4. Step 4: Simplify right side
    1,746.27x = 2,276,039.00
  5. Step 5: Solve for x
    x = 2,276,039.00/1,746.27
  6. Step 6: Final answer
    x = 1,303.37

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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.