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Finding the Fourth Proportional to 56,748.80, 78,289.81 and 33,773.96

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Solution

The fourth proportional to 56,748.80, 78,289.81 and 33,773.96 is: 46,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,748.80 : 78,289.81 = 33,773.96 : x
  2. Step 2: Convert to fraction form
    56,748.80/78,289.81 = 33,773.96/x
  3. Step 3: Cross multiply
    56,748.80x = 78,289.81 × 33,773.96
  4. Step 4: Simplify right side
    56,748.80x = 2,644,157,022.64
  5. Step 5: Solve for x
    x = 2,644,157,022.64/56,748.80
  6. Step 6: Final answer
    x = 46,594.06

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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.