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Finding the Fourth Proportional to 22,099.65, 30,500.73 and 12,410.19

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Solution

The fourth proportional to 22,099.65, 30,500.73 and 12,410.19 is: 17,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,099.65 : 30,500.73 = 12,410.19 : x
  2. Step 2: Convert to fraction form
    22,099.65/30,500.73 = 12,410.19/x
  3. Step 3: Cross multiply
    22,099.65x = 30,500.73 × 12,410.19
  4. Step 4: Simplify right side
    22,099.65x = 378,519,854.44
  5. Step 5: Solve for x
    x = 378,519,854.44/22,099.65
  6. Step 6: Final answer
    x = 17,127.87

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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.