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Finding the Fourth Proportional to 40,502.94, 60,461.40 and 34,991.70

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Solution

The fourth proportional to 40,502.94, 60,461.40 and 34,991.70 is: 52,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.94 : 60,461.40 = 34,991.70 : x
  2. Step 2: Convert to fraction form
    40,502.94/60,461.40 = 34,991.70/x
  3. Step 3: Cross multiply
    40,502.94x = 60,461.40 × 34,991.70
  4. Step 4: Simplify right side
    40,502.94x = 2,115,647,170.38
  5. Step 5: Solve for x
    x = 2,115,647,170.38/40,502.94
  6. Step 6: Final answer
    x = 52,234.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.