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Finding the Fourth Proportional to 8,334.25, 12,504.47 and 3,894.42

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Solution

The fourth proportional to 8,334.25, 12,504.47 and 3,894.42 is: 5,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.25 : 12,504.47 = 3,894.42 : x
  2. Step 2: Convert to fraction form
    8,334.25/12,504.47 = 3,894.42/x
  3. Step 3: Cross multiply
    8,334.25x = 12,504.47 × 3,894.42
  4. Step 4: Simplify right side
    8,334.25x = 48,697,685.48
  5. Step 5: Solve for x
    x = 48,697,685.48/8,334.25
  6. Step 6: Final answer
    x = 5,843.08

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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.