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Finding the Fourth Proportional to 43,224.54, 64,719.90 and 22,404.30

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Solution

The fourth proportional to 43,224.54, 64,719.90 and 22,404.30 is: 33,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,224.54 : 64,719.90 = 22,404.30 : x
  2. Step 2: Convert to fraction form
    43,224.54/64,719.90 = 22,404.30/x
  3. Step 3: Cross multiply
    43,224.54x = 64,719.90 × 22,404.30
  4. Step 4: Simplify right side
    43,224.54x = 1,450,004,055.57
  5. Step 5: Solve for x
    x = 1,450,004,055.57/43,224.54
  6. Step 6: Final answer
    x = 33,545.85

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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.