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Finding the Fourth Proportional to 22,164.80, 33,182.40 and 19,572.80

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Solution

The fourth proportional to 22,164.80, 33,182.40 and 19,572.80 is: 29,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,164.80 : 33,182.40 = 19,572.80 : x
  2. Step 2: Convert to fraction form
    22,164.80/33,182.40 = 19,572.80/x
  3. Step 3: Cross multiply
    22,164.80x = 33,182.40 × 19,572.80
  4. Step 4: Simplify right side
    22,164.80x = 649,472,478.72
  5. Step 5: Solve for x
    x = 649,472,478.72/22,164.80
  6. Step 6: Final answer
    x = 29,301.98

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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.