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Finding the Fourth Proportional to 22,501.60, 33,752.40 and 19,974.40

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Solution

The fourth proportional to 22,501.60, 33,752.40 and 19,974.40 is: 29,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,501.60 : 33,752.40 = 19,974.40 : x
  2. Step 2: Convert to fraction form
    22,501.60/33,752.40 = 19,974.40/x
  3. Step 3: Cross multiply
    22,501.60x = 33,752.40 × 19,974.40
  4. Step 4: Simplify right side
    22,501.60x = 674,183,938.56
  5. Step 5: Solve for x
    x = 674,183,938.56/22,501.60
  6. Step 6: Final answer
    x = 29,961.60

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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.