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Finding the Fourth Proportional to 22,423.60, 33,635.40 and 20,004.40

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Solution

The fourth proportional to 22,423.60, 33,635.40 and 20,004.40 is: 30,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.60 : 33,635.40 = 20,004.40 : x
  2. Step 2: Convert to fraction form
    22,423.60/33,635.40 = 20,004.40/x
  3. Step 3: Cross multiply
    22,423.60x = 33,635.40 × 20,004.40
  4. Step 4: Simplify right side
    22,423.60x = 672,855,995.76
  5. Step 5: Solve for x
    x = 672,855,995.76/22,423.60
  6. Step 6: Final answer
    x = 30,006.60

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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.