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Finding the Fourth Proportional to 74,010.77, 110,826.96 and 40,694.21

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Solution

The fourth proportional to 74,010.77, 110,826.96 and 40,694.21 is: 60,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010.77 : 110,826.96 = 40,694.21 : x
  2. Step 2: Convert to fraction form
    74,010.77/110,826.96 = 40,694.21/x
  3. Step 3: Cross multiply
    74,010.77x = 110,826.96 × 40,694.21
  4. Step 4: Simplify right side
    74,010.77x = 4,510,015,029.77
  5. Step 5: Solve for x
    x = 4,510,015,029.77/74,010.77
  6. Step 6: Final answer
    x = 60,937.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.