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Finding the Fourth Proportional to 22,183.40, 33,339.90 and 19,332.20

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Solution

The fourth proportional to 22,183.40, 33,339.90 and 19,332.20 is: 29,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.40 : 33,339.90 = 19,332.20 : x
  2. Step 2: Convert to fraction form
    22,183.40/33,339.90 = 19,332.20/x
  3. Step 3: Cross multiply
    22,183.40x = 33,339.90 × 19,332.20
  4. Step 4: Simplify right side
    22,183.40x = 644,533,614.78
  5. Step 5: Solve for x
    x = 644,533,614.78/22,183.40
  6. Step 6: Final answer
    x = 29,054.77

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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.