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Finding the Fourth Proportional to 1,822.41, 2,734.10 and 652.53

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Solution

The fourth proportional to 1,822.41, 2,734.10 and 652.53 is: 978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.41 : 2,734.10 = 652.53 : x
  2. Step 2: Convert to fraction form
    1,822.41/2,734.10 = 652.53/x
  3. Step 3: Cross multiply
    1,822.41x = 2,734.10 × 652.53
  4. Step 4: Simplify right side
    1,822.41x = 1,784,079.01
  5. Step 5: Solve for x
    x = 1,784,079.01/1,822.41
  6. Step 6: Final answer
    x = 978.97

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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.