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Finding the Fourth Proportional to 64,478.91, 96,687.26 and 27,028.94

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Solution

The fourth proportional to 64,478.91, 96,687.26 and 27,028.94 is: 40,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,478.91 : 96,687.26 = 27,028.94 : x
  2. Step 2: Convert to fraction form
    64,478.91/96,687.26 = 27,028.94/x
  3. Step 3: Cross multiply
    64,478.91x = 96,687.26 × 27,028.94
  4. Step 4: Simplify right side
    64,478.91x = 2,613,353,530.72
  5. Step 5: Solve for x
    x = 2,613,353,530.72/64,478.91
  6. Step 6: Final answer
    x = 40,530.36

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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.