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Finding the Fourth Proportional to 64,334.56, 96,515.52 and 19,960.24

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Solution

The fourth proportional to 64,334.56, 96,515.52 and 19,960.24 is: 29,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,334.56 : 96,515.52 = 19,960.24 : x
  2. Step 2: Convert to fraction form
    64,334.56/96,515.52 = 19,960.24/x
  3. Step 3: Cross multiply
    64,334.56x = 96,515.52 × 19,960.24
  4. Step 4: Simplify right side
    64,334.56x = 1,926,472,942.92
  5. Step 5: Solve for x
    x = 1,926,472,942.92/64,334.56
  6. Step 6: Final answer
    x = 29,944.60

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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.