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Finding the Fourth Proportional to 64,231.44, 96,323.20 and 22,099.72

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Solution

The fourth proportional to 64,231.44, 96,323.20 and 22,099.72 is: 33,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,231.44 : 96,323.20 = 22,099.72 : x
  2. Step 2: Convert to fraction form
    64,231.44/96,323.20 = 22,099.72/x
  3. Step 3: Cross multiply
    64,231.44x = 96,323.20 × 22,099.72
  4. Step 4: Simplify right side
    64,231.44x = 2,128,715,749.50
  5. Step 5: Solve for x
    x = 2,128,715,749.50/64,231.44
  6. Step 6: Final answer
    x = 33,141.34

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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.