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Finding the Fourth Proportional to 59,278.92, 81,806.22 and 35,401.11

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Solution

The fourth proportional to 59,278.92, 81,806.22 and 35,401.11 is: 48,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,278.92 : 81,806.22 = 35,401.11 : x
  2. Step 2: Convert to fraction form
    59,278.92/81,806.22 = 35,401.11/x
  3. Step 3: Cross multiply
    59,278.92x = 81,806.22 × 35,401.11
  4. Step 4: Simplify right side
    59,278.92x = 2,896,030,992.90
  5. Step 5: Solve for x
    x = 2,896,030,992.90/59,278.92
  6. Step 6: Final answer
    x = 48,854.31

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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.