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Finding the Fourth Proportional to 45,403.71, 62,621.62 and 29,493.29

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Solution

The fourth proportional to 45,403.71, 62,621.62 and 29,493.29 is: 40,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403.71 : 62,621.62 = 29,493.29 : x
  2. Step 2: Convert to fraction form
    45,403.71/62,621.62 = 29,493.29/x
  3. Step 3: Cross multiply
    45,403.71x = 62,621.62 × 29,493.29
  4. Step 4: Simplify right side
    45,403.71x = 1,846,917,212.09
  5. Step 5: Solve for x
    x = 1,846,917,212.09/45,403.71
  6. Step 6: Final answer
    x = 40,677.67

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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.