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Finding the Fourth Proportional to 1,096, 1,641.54 and 607.96

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Solution

The fourth proportional to 1,096, 1,641.54 and 607.96 is: 910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096 : 1,641.54 = 607.96 : x
  2. Step 2: Convert to fraction form
    1,096/1,641.54 = 607.96/x
  3. Step 3: Cross multiply
    1,096x = 1,641.54 × 607.96
  4. Step 4: Simplify right side
    1,096x = 997,990.66
  5. Step 5: Solve for x
    x = 997,990.66/1,096
  6. Step 6: Final answer
    x = 910.58

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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.