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Finding the Fourth Proportional to 86,832.76, 130,249.22 and 27,668.38

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Solution

The fourth proportional to 86,832.76, 130,249.22 and 27,668.38 is: 41,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,832.76 : 130,249.22 = 27,668.38 : x
  2. Step 2: Convert to fraction form
    86,832.76/130,249.22 = 27,668.38/x
  3. Step 3: Cross multiply
    86,832.76x = 130,249.22 × 27,668.38
  4. Step 4: Simplify right side
    86,832.76x = 3,603,784,913.66
  5. Step 5: Solve for x
    x = 3,603,784,913.66/86,832.76
  6. Step 6: Final answer
    x = 41,502.60

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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.