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Finding the Fourth Proportional to 1,657.03, 2,485.41 and 732.62

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Solution

The fourth proportional to 1,657.03, 2,485.41 and 732.62 is: 1,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.03 : 2,485.41 = 732.62 : x
  2. Step 2: Convert to fraction form
    1,657.03/2,485.41 = 732.62/x
  3. Step 3: Cross multiply
    1,657.03x = 2,485.41 × 732.62
  4. Step 4: Simplify right side
    1,657.03x = 1,820,850.48
  5. Step 5: Solve for x
    x = 1,820,850.48/1,657.03
  6. Step 6: Final answer
    x = 1,098.87

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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.