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Finding the Fourth Proportional to 4,906.88, 7,329.03 and 4,250.78

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Solution

The fourth proportional to 4,906.88, 7,329.03 and 4,250.78 is: 6,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.88 : 7,329.03 = 4,250.78 : x
  2. Step 2: Convert to fraction form
    4,906.88/7,329.03 = 4,250.78/x
  3. Step 3: Cross multiply
    4,906.88x = 7,329.03 × 4,250.78
  4. Step 4: Simplify right side
    4,906.88x = 31,154,057.50
  5. Step 5: Solve for x
    x = 31,154,057.50/4,906.88
  6. Step 6: Final answer
    x = 6,349.06

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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.