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Finding the Fourth Proportional to 3,073.44, 4,610.60 and 992.96

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Solution

The fourth proportional to 3,073.44, 4,610.60 and 992.96 is: 1,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.44 : 4,610.60 = 992.96 : x
  2. Step 2: Convert to fraction form
    3,073.44/4,610.60 = 992.96/x
  3. Step 3: Cross multiply
    3,073.44x = 4,610.60 × 992.96
  4. Step 4: Simplify right side
    3,073.44x = 4,578,141.38
  5. Step 5: Solve for x
    x = 4,578,141.38/3,073.44
  6. Step 6: Final answer
    x = 1,489.58

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1.5x scale

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.