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Finding the Fourth Proportional to 64,776.32, 96,945.02 and 39,832.17

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Solution

The fourth proportional to 64,776.32, 96,945.02 and 39,832.17 is: 59,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,776.32 : 96,945.02 = 39,832.17 : x
  2. Step 2: Convert to fraction form
    64,776.32/96,945.02 = 39,832.17/x
  3. Step 3: Cross multiply
    64,776.32x = 96,945.02 × 39,832.17
  4. Step 4: Simplify right side
    64,776.32x = 3,861,530,103.96
  5. Step 5: Solve for x
    x = 3,861,530,103.96/64,776.32
  6. Step 6: Final answer
    x = 59,613.30

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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.