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Finding the Fourth Proportional to 4,908.48, 7,365.82 and 4,447.20

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Solution

The fourth proportional to 4,908.48, 7,365.82 and 4,447.20 is: 6,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.48 : 7,365.82 = 4,447.20 : x
  2. Step 2: Convert to fraction form
    4,908.48/7,365.82 = 4,447.20/x
  3. Step 3: Cross multiply
    4,908.48x = 7,365.82 × 4,447.20
  4. Step 4: Simplify right side
    4,908.48x = 32,757,274.70
  5. Step 5: Solve for x
    x = 32,757,274.70/4,908.48
  6. Step 6: Final answer
    x = 6,673.61

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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.