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Finding the Fourth Proportional to 60,827.80, 91,218.38 and 29,229.08

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Solution

The fourth proportional to 60,827.80, 91,218.38 and 29,229.08 is: 43,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,827.80 : 91,218.38 = 29,229.08 : x
  2. Step 2: Convert to fraction form
    60,827.80/91,218.38 = 29,229.08/x
  3. Step 3: Cross multiply
    60,827.80x = 91,218.38 × 29,229.08
  4. Step 4: Simplify right side
    60,827.80x = 2,666,229,326.49
  5. Step 5: Solve for x
    x = 2,666,229,326.49/60,827.80
  6. Step 6: Final answer
    x = 43,832.41

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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.