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Finding the Fourth Proportional to 1,160.01, 1,600.86 and 662.73

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Solution

The fourth proportional to 1,160.01, 1,600.86 and 662.73 is: 914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.01 : 1,600.86 = 662.73 : x
  2. Step 2: Convert to fraction form
    1,160.01/1,600.86 = 662.73/x
  3. Step 3: Cross multiply
    1,160.01x = 1,600.86 × 662.73
  4. Step 4: Simplify right side
    1,160.01x = 1,060,937.95
  5. Step 5: Solve for x
    x = 1,060,937.95/1,160.01
  6. Step 6: Final answer
    x = 914.59

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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.