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Finding the Fourth Proportional to 1,169.30, 1,751.43 and 552.08

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Solution

The fourth proportional to 1,169.30, 1,751.43 and 552.08 is: 826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.30 : 1,751.43 = 552.08 : x
  2. Step 2: Convert to fraction form
    1,169.30/1,751.43 = 552.08/x
  3. Step 3: Cross multiply
    1,169.30x = 1,751.43 × 552.08
  4. Step 4: Simplify right side
    1,169.30x = 966,929.47
  5. Step 5: Solve for x
    x = 966,929.47/1,169.30
  6. Step 6: Final answer
    x = 826.93

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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.