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Finding the Fourth Proportional to 1,062.14, 1,466.07 and 748.22

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Solution

The fourth proportional to 1,062.14, 1,466.07 and 748.22 is: 1,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.14 : 1,466.07 = 748.22 : x
  2. Step 2: Convert to fraction form
    1,062.14/1,466.07 = 748.22/x
  3. Step 3: Cross multiply
    1,062.14x = 1,466.07 × 748.22
  4. Step 4: Simplify right side
    1,062.14x = 1,096,942.90
  5. Step 5: Solve for x
    x = 1,096,942.90/1,062.14
  6. Step 6: Final answer
    x = 1,032.77

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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.