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Finding the Fourth Proportional to 1,166.46, 1,609.23 and 700.62

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Solution

The fourth proportional to 1,166.46, 1,609.23 and 700.62 is: 966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.46 : 1,609.23 = 700.62 : x
  2. Step 2: Convert to fraction form
    1,166.46/1,609.23 = 700.62/x
  3. Step 3: Cross multiply
    1,166.46x = 1,609.23 × 700.62
  4. Step 4: Simplify right side
    1,166.46x = 1,127,458.72
  5. Step 5: Solve for x
    x = 1,127,458.72/1,166.46
  6. Step 6: Final answer
    x = 966.56

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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.