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Finding the Fourth Proportional to 965.92, 1,332.97 and 567.47

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Solution

The fourth proportional to 965.92, 1,332.97 and 567.47 is: 783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.92 : 1,332.97 = 567.47 : x
  2. Step 2: Convert to fraction form
    965.92/1,332.97 = 567.47/x
  3. Step 3: Cross multiply
    965.92x = 1,332.97 × 567.47
  4. Step 4: Simplify right side
    965.92x = 756,425.95
  5. Step 5: Solve for x
    x = 756,425.95/965.92
  6. Step 6: Final answer
    x = 783.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.