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Finding the Fourth Proportional to 9,394.78, 14,081.52 and 7,299.22

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Solution

The fourth proportional to 9,394.78, 14,081.52 and 7,299.22 is: 10,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.78 : 14,081.52 = 7,299.22 : x
  2. Step 2: Convert to fraction form
    9,394.78/14,081.52 = 7,299.22/x
  3. Step 3: Cross multiply
    9,394.78x = 14,081.52 × 7,299.22
  4. Step 4: Simplify right side
    9,394.78x = 102,784,112.41
  5. Step 5: Solve for x
    x = 102,784,112.41/9,394.78
  6. Step 6: Final answer
    x = 10,940.56

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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.