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Finding the Fourth Proportional to 966.03, 1,330.52 and 834.99

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Solution

The fourth proportional to 966.03, 1,330.52 and 834.99 is: 1,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.03 : 1,330.52 = 834.99 : x
  2. Step 2: Convert to fraction form
    966.03/1,330.52 = 834.99/x
  3. Step 3: Cross multiply
    966.03x = 1,330.52 × 834.99
  4. Step 4: Simplify right side
    966.03x = 1,110,966.72
  5. Step 5: Solve for x
    x = 1,110,966.72/966.03
  6. Step 6: Final answer
    x = 1,150.03

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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.