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Finding the Fourth Proportional to 1,202.76, 1,792.16 and 1,073.52

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Solution

The fourth proportional to 1,202.76, 1,792.16 and 1,073.52 is: 1,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.76 : 1,792.16 = 1,073.52 : x
  2. Step 2: Convert to fraction form
    1,202.76/1,792.16 = 1,073.52/x
  3. Step 3: Cross multiply
    1,202.76x = 1,792.16 × 1,073.52
  4. Step 4: Simplify right side
    1,202.76x = 1,923,919.60
  5. Step 5: Solve for x
    x = 1,923,919.60/1,202.76
  6. Step 6: Final answer
    x = 1,599.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.