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Finding the Fourth Proportional to 1,169.16, 1,754.08 and 475.48

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Solution

The fourth proportional to 1,169.16, 1,754.08 and 475.48 is: 713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.16 : 1,754.08 = 475.48 : x
  2. Step 2: Convert to fraction form
    1,169.16/1,754.08 = 475.48/x
  3. Step 3: Cross multiply
    1,169.16x = 1,754.08 × 475.48
  4. Step 4: Simplify right side
    1,169.16x = 834,029.96
  5. Step 5: Solve for x
    x = 834,029.96/1,169.16
  6. Step 6: Final answer
    x = 713.36

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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.