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Finding the Fourth Proportional to 5,298.44, 7,908.93 and 4,912.97

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Solution

The fourth proportional to 5,298.44, 7,908.93 and 4,912.97 is: 7,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.44 : 7,908.93 = 4,912.97 : x
  2. Step 2: Convert to fraction form
    5,298.44/7,908.93 = 4,912.97/x
  3. Step 3: Cross multiply
    5,298.44x = 7,908.93 × 4,912.97
  4. Step 4: Simplify right side
    5,298.44x = 38,856,296.28
  5. Step 5: Solve for x
    x = 38,856,296.28/5,298.44
  6. Step 6: Final answer
    x = 7,333.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.