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Finding the Fourth Proportional to 56,310.30, 77,722.07 and 33,662.72

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Solution

The fourth proportional to 56,310.30, 77,722.07 and 33,662.72 is: 46,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,310.30 : 77,722.07 = 33,662.72 : x
  2. Step 2: Convert to fraction form
    56,310.30/77,722.07 = 33,662.72/x
  3. Step 3: Cross multiply
    56,310.30x = 77,722.07 × 33,662.72
  4. Step 4: Simplify right side
    56,310.30x = 2,616,335,723.31
  5. Step 5: Solve for x
    x = 2,616,335,723.31/56,310.30
  6. Step 6: Final answer
    x = 46,462.83

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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.