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Finding the Fourth Proportional to 1,632.62, 2,444.58 and 1,113.64

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Solution

The fourth proportional to 1,632.62, 2,444.58 and 1,113.64 is: 1,667.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.62 : 2,444.58 = 1,113.64 : x
  2. Step 2: Convert to fraction form
    1,632.62/2,444.58 = 1,113.64/x
  3. Step 3: Cross multiply
    1,632.62x = 2,444.58 × 1,113.64
  4. Step 4: Simplify right side
    1,632.62x = 2,722,375.96
  5. Step 5: Solve for x
    x = 2,722,375.96/1,632.62
  6. Step 6: Final answer
    x = 1,667.49

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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.