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Finding the Fourth Proportional to 18,184.66, 27,260.82 and 7,099.11

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Solution

The fourth proportional to 18,184.66, 27,260.82 and 7,099.11 is: 10,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.66 : 27,260.82 = 7,099.11 : x
  2. Step 2: Convert to fraction form
    18,184.66/27,260.82 = 7,099.11/x
  3. Step 3: Cross multiply
    18,184.66x = 27,260.82 × 7,099.11
  4. Step 4: Simplify right side
    18,184.66x = 193,527,644.93
  5. Step 5: Solve for x
    x = 193,527,644.93/18,184.66
  6. Step 6: Final answer
    x = 10,642.36

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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.