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Finding the Fourth Proportional to 952.11, 1,425.65 and 766.02

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Solution

The fourth proportional to 952.11, 1,425.65 and 766.02 is: 1,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.11 : 1,425.65 = 766.02 : x
  2. Step 2: Convert to fraction form
    952.11/1,425.65 = 766.02/x
  3. Step 3: Cross multiply
    952.11x = 1,425.65 × 766.02
  4. Step 4: Simplify right side
    952.11x = 1,092,075.65
  5. Step 5: Solve for x
    x = 1,092,075.65/952.11
  6. Step 6: Final answer
    x = 1,147.01

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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.