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Finding the Fourth Proportional to 56,757.00, 85,004.29 and 54,788.70

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Solution

The fourth proportional to 56,757.00, 85,004.29 and 54,788.70 is: 82,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,757.00 : 85,004.29 = 54,788.70 : x
  2. Step 2: Convert to fraction form
    56,757.00/85,004.29 = 54,788.70/x
  3. Step 3: Cross multiply
    56,757.00x = 85,004.29 × 54,788.70
  4. Step 4: Simplify right side
    56,757.00x = 4,657,274,622.59
  5. Step 5: Solve for x
    x = 4,657,274,622.59/56,757.00
  6. Step 6: Final answer
    x = 82,056.39

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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.