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Finding the Fourth Proportional to 968.32, 1,327.58 and 950.80

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Solution

The fourth proportional to 968.32, 1,327.58 and 950.80 is: 1,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.32 : 1,327.58 = 950.80 : x
  2. Step 2: Convert to fraction form
    968.32/1,327.58 = 950.80/x
  3. Step 3: Cross multiply
    968.32x = 1,327.58 × 950.80
  4. Step 4: Simplify right side
    968.32x = 1,262,263.06
  5. Step 5: Solve for x
    x = 1,262,263.06/968.32
  6. Step 6: Final answer
    x = 1,303.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.