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Finding the Fourth Proportional to 750.52, 1,126.17 and 567.86

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Solution

The fourth proportional to 750.52, 1,126.17 and 567.86 is: 852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.52 : 1,126.17 = 567.86 : x
  2. Step 2: Convert to fraction form
    750.52/1,126.17 = 567.86/x
  3. Step 3: Cross multiply
    750.52x = 1,126.17 × 567.86
  4. Step 4: Simplify right side
    750.52x = 639,506.90
  5. Step 5: Solve for x
    x = 639,506.90/750.52
  6. Step 6: Final answer
    x = 852.09

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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.