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Finding the Fourth Proportional to 57,881.78, 79,879.13 and 34,008.24

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Solution

The fourth proportional to 57,881.78, 79,879.13 and 34,008.24 is: 46,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,881.78 : 79,879.13 = 34,008.24 : x
  2. Step 2: Convert to fraction form
    57,881.78/79,879.13 = 34,008.24/x
  3. Step 3: Cross multiply
    57,881.78x = 79,879.13 × 34,008.24
  4. Step 4: Simplify right side
    57,881.78x = 2,716,548,624.03
  5. Step 5: Solve for x
    x = 2,716,548,624.03/57,881.78
  6. Step 6: Final answer
    x = 46,932.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.