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Finding the Fourth Proportional to 1,082.04, 1,493.58 and 750.91

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Solution

The fourth proportional to 1,082.04, 1,493.58 and 750.91 is: 1,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.04 : 1,493.58 = 750.91 : x
  2. Step 2: Convert to fraction form
    1,082.04/1,493.58 = 750.91/x
  3. Step 3: Cross multiply
    1,082.04x = 1,493.58 × 750.91
  4. Step 4: Simplify right side
    1,082.04x = 1,121,544.16
  5. Step 5: Solve for x
    x = 1,121,544.16/1,082.04
  6. Step 6: Final answer
    x = 1,036.51

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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.