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Finding the Fourth Proportional to 43,242.32, 64,843.32 and 22,460.24

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Solution

The fourth proportional to 43,242.32, 64,843.32 and 22,460.24 is: 33,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,242.32 : 64,843.32 = 22,460.24 : x
  2. Step 2: Convert to fraction form
    43,242.32/64,843.32 = 22,460.24/x
  3. Step 3: Cross multiply
    43,242.32x = 64,843.32 × 22,460.24
  4. Step 4: Simplify right side
    43,242.32x = 1,456,396,529.60
  5. Step 5: Solve for x
    x = 1,456,396,529.60/43,242.32
  6. Step 6: Final answer
    x = 33,679.89

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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.