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Finding the Fourth Proportional to 1,718.38, 2,571.54 and 1,232.38

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Solution

The fourth proportional to 1,718.38, 2,571.54 and 1,232.38 is: 1,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.38 : 2,571.54 = 1,232.38 : x
  2. Step 2: Convert to fraction form
    1,718.38/2,571.54 = 1,232.38/x
  3. Step 3: Cross multiply
    1,718.38x = 2,571.54 × 1,232.38
  4. Step 4: Simplify right side
    1,718.38x = 3,169,114.47
  5. Step 5: Solve for x
    x = 3,169,114.47/1,718.38
  6. Step 6: Final answer
    x = 1,844.25

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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.