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Finding the Fourth Proportional to 36,472.72, 50,323.08 and 22,320.40

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Solution

The fourth proportional to 36,472.72, 50,323.08 and 22,320.40 is: 30,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,472.72 : 50,323.08 = 22,320.40 : x
  2. Step 2: Convert to fraction form
    36,472.72/50,323.08 = 22,320.40/x
  3. Step 3: Cross multiply
    36,472.72x = 50,323.08 × 22,320.40
  4. Step 4: Simplify right side
    36,472.72x = 1,123,231,274.83
  5. Step 5: Solve for x
    x = 1,123,231,274.83/36,472.72
  6. Step 6: Final answer
    x = 30,796.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.