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Finding the Fourth Proportional to 64,477.79, 96,685.57 and 27,027.80

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Solution

The fourth proportional to 64,477.79, 96,685.57 and 27,027.80 is: 40,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,477.79 : 96,685.57 = 27,027.80 : x
  2. Step 2: Convert to fraction form
    64,477.79/96,685.57 = 27,027.80/x
  3. Step 3: Cross multiply
    64,477.79x = 96,685.57 × 27,027.80
  4. Step 4: Simplify right side
    64,477.79x = 2,613,198,248.85
  5. Step 5: Solve for x
    x = 2,613,198,248.85/64,477.79
  6. Step 6: Final answer
    x = 40,528.66

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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.