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Finding the Fourth Proportional to 67,991.63, 93,826.67 and 37,777.01

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Solution

The fourth proportional to 67,991.63, 93,826.67 and 37,777.01 is: 52,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,991.63 : 93,826.67 = 37,777.01 : x
  2. Step 2: Convert to fraction form
    67,991.63/93,826.67 = 37,777.01/x
  3. Step 3: Cross multiply
    67,991.63x = 93,826.67 × 37,777.01
  4. Step 4: Simplify right side
    67,991.63x = 3,544,490,392.84
  5. Step 5: Solve for x
    x = 3,544,490,392.84/67,991.63
  6. Step 6: Final answer
    x = 52,131.28

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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.