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Finding the Fourth Proportional to 1,096.01, 1,512.81 and 670.79

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Solution

The fourth proportional to 1,096.01, 1,512.81 and 670.79 is: 925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.01 : 1,512.81 = 670.79 : x
  2. Step 2: Convert to fraction form
    1,096.01/1,512.81 = 670.79/x
  3. Step 3: Cross multiply
    1,096.01x = 1,512.81 × 670.79
  4. Step 4: Simplify right side
    1,096.01x = 1,014,777.82
  5. Step 5: Solve for x
    x = 1,014,777.82/1,096.01
  6. Step 6: Final answer
    x = 925.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.