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Finding the Fourth Proportional to 34,165.40, 51,243.78 and 10,794.20

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Solution

The fourth proportional to 34,165.40, 51,243.78 and 10,794.20 is: 16,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165.40 : 51,243.78 = 10,794.20 : x
  2. Step 2: Convert to fraction form
    34,165.40/51,243.78 = 10,794.20/x
  3. Step 3: Cross multiply
    34,165.40x = 51,243.78 × 10,794.20
  4. Step 4: Simplify right side
    34,165.40x = 553,135,610.08
  5. Step 5: Solve for x
    x = 553,135,610.08/34,165.40
  6. Step 6: Final answer
    x = 16,189.94

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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.