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Finding the Fourth Proportional to 950.80, 1,332.20 and 950.80

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Solution

The fourth proportional to 950.80, 1,332.20 and 950.80 is: 1,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.80 : 1,332.20 = 950.80 : x
  2. Step 2: Convert to fraction form
    950.80/1,332.20 = 950.80/x
  3. Step 3: Cross multiply
    950.80x = 1,332.20 × 950.80
  4. Step 4: Simplify right side
    950.80x = 1,266,655.76
  5. Step 5: Solve for x
    x = 1,266,655.76/950.80
  6. Step 6: Final answer
    x = 1,332.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.