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Finding the Fourth Proportional to 966.03, 1,441.46 and 907.27

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Solution

The fourth proportional to 966.03, 1,441.46 and 907.27 is: 1,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.03 : 1,441.46 = 907.27 : x
  2. Step 2: Convert to fraction form
    966.03/1,441.46 = 907.27/x
  3. Step 3: Cross multiply
    966.03x = 1,441.46 × 907.27
  4. Step 4: Simplify right side
    966.03x = 1,307,792.08
  5. Step 5: Solve for x
    x = 1,307,792.08/966.03
  6. Step 6: Final answer
    x = 1,353.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.