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Finding the Fourth Proportional to 56,352.62, 77,761.23 and 33,687.11

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Solution

The fourth proportional to 56,352.62, 77,761.23 and 33,687.11 is: 46,484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,352.62 : 77,761.23 = 33,687.11 : x
  2. Step 2: Convert to fraction form
    56,352.62/77,761.23 = 33,687.11/x
  3. Step 3: Cross multiply
    56,352.62x = 77,761.23 × 33,687.11
  4. Step 4: Simplify right side
    56,352.62x = 2,619,551,108.75
  5. Step 5: Solve for x
    x = 2,619,551,108.75/56,352.62
  6. Step 6: Final answer
    x = 46,484.99

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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.