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Finding the Fourth Proportional to 751.01, 1,126.92 and 568.37

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Solution

The fourth proportional to 751.01, 1,126.92 and 568.37 is: 852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.01 : 1,126.92 = 568.37 : x
  2. Step 2: Convert to fraction form
    751.01/1,126.92 = 568.37/x
  3. Step 3: Cross multiply
    751.01x = 1,126.92 × 568.37
  4. Step 4: Simplify right side
    751.01x = 640,507.52
  5. Step 5: Solve for x
    x = 640,507.52/751.01
  6. Step 6: Final answer
    x = 852.86

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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.