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Finding the Fourth Proportional to 1,052.36, 1,452.80 and 733.76

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Solution

The fourth proportional to 1,052.36, 1,452.80 and 733.76 is: 1,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.36 : 1,452.80 = 733.76 : x
  2. Step 2: Convert to fraction form
    1,052.36/1,452.80 = 733.76/x
  3. Step 3: Cross multiply
    1,052.36x = 1,452.80 × 733.76
  4. Step 4: Simplify right side
    1,052.36x = 1,066,006.53
  5. Step 5: Solve for x
    x = 1,066,006.53/1,052.36
  6. Step 6: Final answer
    x = 1,012.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.