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Finding the Fourth Proportional to 12,199.93, 18,286.93 and 4,803.37

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Solution

The fourth proportional to 12,199.93, 18,286.93 and 4,803.37 is: 7,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.93 : 18,286.93 = 4,803.37 : x
  2. Step 2: Convert to fraction form
    12,199.93/18,286.93 = 4,803.37/x
  3. Step 3: Cross multiply
    12,199.93x = 18,286.93 × 4,803.37
  4. Step 4: Simplify right side
    12,199.93x = 87,838,851.24
  5. Step 5: Solve for x
    x = 87,838,851.24/12,199.93
  6. Step 6: Final answer
    x = 7,199.95

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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.