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Finding the Fourth Proportional to 967.65, 1,452.33 and 637.66

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Solution

The fourth proportional to 967.65, 1,452.33 and 637.66 is: 957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.65 : 1,452.33 = 637.66 : x
  2. Step 2: Convert to fraction form
    967.65/1,452.33 = 637.66/x
  3. Step 3: Cross multiply
    967.65x = 1,452.33 × 637.66
  4. Step 4: Simplify right side
    967.65x = 926,092.52
  5. Step 5: Solve for x
    x = 926,092.52/967.65
  6. Step 6: Final answer
    x = 957.06

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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.