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Finding the Fourth Proportional to 49,877.77, 68,796.03 and 29,719.12

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Solution

The fourth proportional to 49,877.77, 68,796.03 and 29,719.12 is: 40,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,877.77 : 68,796.03 = 29,719.12 : x
  2. Step 2: Convert to fraction form
    49,877.77/68,796.03 = 29,719.12/x
  3. Step 3: Cross multiply
    49,877.77x = 68,796.03 × 29,719.12
  4. Step 4: Simplify right side
    49,877.77x = 2,044,557,471.09
  5. Step 5: Solve for x
    x = 2,044,557,471.09/49,877.77
  6. Step 6: Final answer
    x = 40,991.36

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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.