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Finding the Fourth Proportional to 1,082.63, 1,495.25 and 732.71

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Solution

The fourth proportional to 1,082.63, 1,495.25 and 732.71 is: 1,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.63 : 1,495.25 = 732.71 : x
  2. Step 2: Convert to fraction form
    1,082.63/1,495.25 = 732.71/x
  3. Step 3: Cross multiply
    1,082.63x = 1,495.25 × 732.71
  4. Step 4: Simplify right side
    1,082.63x = 1,095,573.49
  5. Step 5: Solve for x
    x = 1,095,573.49/1,082.63
  6. Step 6: Final answer
    x = 1,011.96

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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.