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Finding the Fourth Proportional to 1,816.52, 2,724.56 and 583.52

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Solution

The fourth proportional to 1,816.52, 2,724.56 and 583.52 is: 875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.52 : 2,724.56 = 583.52 : x
  2. Step 2: Convert to fraction form
    1,816.52/2,724.56 = 583.52/x
  3. Step 3: Cross multiply
    1,816.52x = 2,724.56 × 583.52
  4. Step 4: Simplify right side
    1,816.52x = 1,589,823.09
  5. Step 5: Solve for x
    x = 1,589,823.09/1,816.52
  6. Step 6: Final answer
    x = 875.21

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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.