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Finding the Fourth Proportional to 19,201.41, 28,806.03 and 10,885.14

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Solution

The fourth proportional to 19,201.41, 28,806.03 and 10,885.14 is: 16,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.41 : 28,806.03 = 10,885.14 : x
  2. Step 2: Convert to fraction form
    19,201.41/28,806.03 = 10,885.14/x
  3. Step 3: Cross multiply
    19,201.41x = 28,806.03 × 10,885.14
  4. Step 4: Simplify right side
    19,201.41x = 313,557,669.39
  5. Step 5: Solve for x
    x = 313,557,669.39/19,201.41
  6. Step 6: Final answer
    x = 16,329.93

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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.