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Finding the Fourth Proportional to 966.02, 1,448.16 and 657.08

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Solution

The fourth proportional to 966.02, 1,448.16 and 657.08 is: 985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.02 : 1,448.16 = 657.08 : x
  2. Step 2: Convert to fraction form
    966.02/1,448.16 = 657.08/x
  3. Step 3: Cross multiply
    966.02x = 1,448.16 × 657.08
  4. Step 4: Simplify right side
    966.02x = 951,556.97
  5. Step 5: Solve for x
    x = 951,556.97/966.02
  6. Step 6: Final answer
    x = 985.03

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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.