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Finding the Fourth Proportional to 1,484.32, 2,227 and 662.52

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Solution

The fourth proportional to 1,484.32, 2,227 and 662.52 is: 994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.32 : 2,227 = 662.52 : x
  2. Step 2: Convert to fraction form
    1,484.32/2,227 = 662.52/x
  3. Step 3: Cross multiply
    1,484.32x = 2,227 × 662.52
  4. Step 4: Simplify right side
    1,484.32x = 1,475,432.04
  5. Step 5: Solve for x
    x = 1,475,432.04/1,484.32
  6. Step 6: Final answer
    x = 994.01

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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.