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Finding the Fourth Proportional to 4,848.50, 6,649.78 and 4,791.26

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Solution

The fourth proportional to 4,848.50, 6,649.78 and 4,791.26 is: 6,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.50 : 6,649.78 = 4,791.26 : x
  2. Step 2: Convert to fraction form
    4,848.50/6,649.78 = 4,791.26/x
  3. Step 3: Cross multiply
    4,848.50x = 6,649.78 × 4,791.26
  4. Step 4: Simplify right side
    4,848.50x = 31,860,824.92
  5. Step 5: Solve for x
    x = 31,860,824.92/4,848.50
  6. Step 6: Final answer
    x = 6,571.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.