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Finding the Fourth Proportional to 968.95, 1,337.07 and 575.92

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Solution

The fourth proportional to 968.95, 1,337.07 and 575.92 is: 794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.95 : 1,337.07 = 575.92 : x
  2. Step 2: Convert to fraction form
    968.95/1,337.07 = 575.92/x
  3. Step 3: Cross multiply
    968.95x = 1,337.07 × 575.92
  4. Step 4: Simplify right side
    968.95x = 770,045.35
  5. Step 5: Solve for x
    x = 770,045.35/968.95
  6. Step 6: Final answer
    x = 794.72

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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.