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Finding the Fourth Proportional to 64,611.48, 96,958.28 and 33,446.76

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Solution

The fourth proportional to 64,611.48, 96,958.28 and 33,446.76 is: 50,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,611.48 : 96,958.28 = 33,446.76 : x
  2. Step 2: Convert to fraction form
    64,611.48/96,958.28 = 33,446.76/x
  3. Step 3: Cross multiply
    64,611.48x = 96,958.28 × 33,446.76
  4. Step 4: Simplify right side
    64,611.48x = 3,242,940,321.17
  5. Step 5: Solve for x
    x = 3,242,940,321.17/64,611.48
  6. Step 6: Final answer
    x = 50,191.40

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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.