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Finding the Fourth Proportional to 4,908.38, 7,331.27 and 4,252.28

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Solution

The fourth proportional to 4,908.38, 7,331.27 and 4,252.28 is: 6,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.38 : 7,331.27 = 4,252.28 : x
  2. Step 2: Convert to fraction form
    4,908.38/7,331.27 = 4,252.28/x
  3. Step 3: Cross multiply
    4,908.38x = 7,331.27 × 4,252.28
  4. Step 4: Simplify right side
    4,908.38x = 31,174,554.88
  5. Step 5: Solve for x
    x = 31,174,554.88/4,908.38
  6. Step 6: Final answer
    x = 6,351.30

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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.