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Finding the Fourth Proportional to 22,030.28, 33,034.08 and 8,879.12

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Solution

The fourth proportional to 22,030.28, 33,034.08 and 8,879.12 is: 13,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.28 : 33,034.08 = 8,879.12 : x
  2. Step 2: Convert to fraction form
    22,030.28/33,034.08 = 8,879.12/x
  3. Step 3: Cross multiply
    22,030.28x = 33,034.08 × 8,879.12
  4. Step 4: Simplify right side
    22,030.28x = 293,313,560.41
  5. Step 5: Solve for x
    x = 293,313,560.41/22,030.28
  6. Step 6: Final answer
    x = 13,314.11

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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.