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Finding the Fourth Proportional to 18,599.92, 27,900.02 and 6,913.13

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Solution

The fourth proportional to 18,599.92, 27,900.02 and 6,913.13 is: 10,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.92 : 27,900.02 = 6,913.13 : x
  2. Step 2: Convert to fraction form
    18,599.92/27,900.02 = 6,913.13/x
  3. Step 3: Cross multiply
    18,599.92x = 27,900.02 × 6,913.13
  4. Step 4: Simplify right side
    18,599.92x = 192,876,343.05
  5. Step 5: Solve for x
    x = 192,876,343.05/18,599.92
  6. Step 6: Final answer
    x = 10,369.74

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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.