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Finding the Fourth Proportional to 36,214.95, 54,324.05 and 9,919.11

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Solution

The fourth proportional to 36,214.95, 54,324.05 and 9,919.11 is: 14,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,214.95 : 54,324.05 = 9,919.11 : x
  2. Step 2: Convert to fraction form
    36,214.95/54,324.05 = 9,919.11/x
  3. Step 3: Cross multiply
    36,214.95x = 54,324.05 × 9,919.11
  4. Step 4: Simplify right side
    36,214.95x = 538,846,227.60
  5. Step 5: Solve for x
    x = 538,846,227.60/36,214.95
  6. Step 6: Final answer
    x = 14,879.11

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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.