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Finding the Fourth Proportional to 56,305.67, 77,688.77 and 33,651.99

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Solution

The fourth proportional to 56,305.67, 77,688.77 and 33,651.99 is: 46,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,305.67 : 77,688.77 = 33,651.99 : x
  2. Step 2: Convert to fraction form
    56,305.67/77,688.77 = 33,651.99/x
  3. Step 3: Cross multiply
    56,305.67x = 77,688.77 × 33,651.99
  4. Step 4: Simplify right side
    56,305.67x = 2,614,381,542.89
  5. Step 5: Solve for x
    x = 2,614,381,542.89/56,305.67
  6. Step 6: Final answer
    x = 46,431.95

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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.