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Finding the Fourth Proportional to 56,796.29, 85,063.14 and 54,827.99

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Solution

The fourth proportional to 56,796.29, 85,063.14 and 54,827.99 is: 82,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,796.29 : 85,063.14 = 54,827.99 : x
  2. Step 2: Convert to fraction form
    56,796.29/85,063.14 = 54,827.99/x
  3. Step 3: Cross multiply
    56,796.29x = 85,063.14 × 54,827.99
  4. Step 4: Simplify right side
    56,796.29x = 4,663,840,989.29
  5. Step 5: Solve for x
    x = 4,663,840,989.29/56,796.29
  6. Step 6: Final answer
    x = 82,115.24

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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.