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Finding the Fourth Proportional to 58,906.44, 81,264.10 and 35,019.56

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Solution

The fourth proportional to 58,906.44, 81,264.10 and 35,019.56 is: 48,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,906.44 : 81,264.10 = 35,019.56 : x
  2. Step 2: Convert to fraction form
    58,906.44/81,264.10 = 35,019.56/x
  3. Step 3: Cross multiply
    58,906.44x = 81,264.10 × 35,019.56
  4. Step 4: Simplify right side
    58,906.44x = 2,845,833,025.80
  5. Step 5: Solve for x
    x = 2,845,833,025.80/58,906.44
  6. Step 6: Final answer
    x = 48,311.07

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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.