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Finding the Fourth Proportional to 22,410.73, 30,926.58 and 12,338.98

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Solution

The fourth proportional to 22,410.73, 30,926.58 and 12,338.98 is: 17,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,410.73 : 30,926.58 = 12,338.98 : x
  2. Step 2: Convert to fraction form
    22,410.73/30,926.58 = 12,338.98/x
  3. Step 3: Cross multiply
    22,410.73x = 30,926.58 × 12,338.98
  4. Step 4: Simplify right side
    22,410.73x = 381,602,452.09
  5. Step 5: Solve for x
    x = 381,602,452.09/22,410.73
  6. Step 6: Final answer
    x = 17,027.67

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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.