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Finding the Fourth Proportional to 8,532.66, 12,791.46 and 3,334.90

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Solution

The fourth proportional to 8,532.66, 12,791.46 and 3,334.90 is: 4,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.66 : 12,791.46 = 3,334.90 : x
  2. Step 2: Convert to fraction form
    8,532.66/12,791.46 = 3,334.90/x
  3. Step 3: Cross multiply
    8,532.66x = 12,791.46 × 3,334.90
  4. Step 4: Simplify right side
    8,532.66x = 42,658,239.95
  5. Step 5: Solve for x
    x = 42,658,239.95/8,532.66
  6. Step 6: Final answer
    x = 4,999.41

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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.