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Finding the Fourth Proportional to 1,126.03, 1,689.11 and 467.97

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Solution

The fourth proportional to 1,126.03, 1,689.11 and 467.97 is: 701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.03 : 1,689.11 = 467.97 : x
  2. Step 2: Convert to fraction form
    1,126.03/1,689.11 = 467.97/x
  3. Step 3: Cross multiply
    1,126.03x = 1,689.11 × 467.97
  4. Step 4: Simplify right side
    1,126.03x = 790,453.15
  5. Step 5: Solve for x
    x = 790,453.15/1,126.03
  6. Step 6: Final answer
    x = 701.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.