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Finding the Fourth Proportional to 4,958.71, 7,472.81 and 4,647.26

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Solution

The fourth proportional to 4,958.71, 7,472.81 and 4,647.26 is: 7,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.71 : 7,472.81 = 4,647.26 : x
  2. Step 2: Convert to fraction form
    4,958.71/7,472.81 = 4,647.26/x
  3. Step 3: Cross multiply
    4,958.71x = 7,472.81 × 4,647.26
  4. Step 4: Simplify right side
    4,958.71x = 34,728,121.30
  5. Step 5: Solve for x
    x = 34,728,121.30/4,958.71
  6. Step 6: Final answer
    x = 7,003.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.