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Finding the Fourth Proportional to 56,793.29, 85,058.64 and 54,824.99

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Solution

The fourth proportional to 56,793.29, 85,058.64 and 54,824.99 is: 82,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793.29 : 85,058.64 = 54,824.99 : x
  2. Step 2: Convert to fraction form
    56,793.29/85,058.64 = 54,824.99/x
  3. Step 3: Cross multiply
    56,793.29x = 85,058.64 × 54,824.99
  4. Step 4: Simplify right side
    56,793.29x = 4,663,338,662.12
  5. Step 5: Solve for x
    x = 4,663,338,662.12/56,793.29
  6. Step 6: Final answer
    x = 82,110.74

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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.