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Finding the Fourth Proportional to 40,550.98, 60,826.47 and 15,602.78

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Solution

The fourth proportional to 40,550.98, 60,826.47 and 15,602.78 is: 23,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,550.98 : 60,826.47 = 15,602.78 : x
  2. Step 2: Convert to fraction form
    40,550.98/60,826.47 = 15,602.78/x
  3. Step 3: Cross multiply
    40,550.98x = 60,826.47 × 15,602.78
  4. Step 4: Simplify right side
    40,550.98x = 949,061,824.88
  5. Step 5: Solve for x
    x = 949,061,824.88/40,550.98
  6. Step 6: Final answer
    x = 23,404.17

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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.