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Finding the Fourth Proportional to 8,552.60, 11,803.62 and 5,015.78

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Solution

The fourth proportional to 8,552.60, 11,803.62 and 5,015.78 is: 6,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.60 : 11,803.62 = 5,015.78 : x
  2. Step 2: Convert to fraction form
    8,552.60/11,803.62 = 5,015.78/x
  3. Step 3: Cross multiply
    8,552.60x = 11,803.62 × 5,015.78
  4. Step 4: Simplify right side
    8,552.60x = 59,204,361.12
  5. Step 5: Solve for x
    x = 59,204,361.12/8,552.60
  6. Step 6: Final answer
    x = 6,922.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.