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Finding the Fourth Proportional to 2,223.32, 3,335.01 and 662.97

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Solution

The fourth proportional to 2,223.32, 3,335.01 and 662.97 is: 994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.32 : 3,335.01 = 662.97 : x
  2. Step 2: Convert to fraction form
    2,223.32/3,335.01 = 662.97/x
  3. Step 3: Cross multiply
    2,223.32x = 3,335.01 × 662.97
  4. Step 4: Simplify right side
    2,223.32x = 2,211,002.84
  5. Step 5: Solve for x
    x = 2,211,002.84/2,223.32
  6. Step 6: Final answer
    x = 994.46

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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.