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Finding the Fourth Proportional to 58,989.92, 81,406.20 and 35,117.42

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Solution

The fourth proportional to 58,989.92, 81,406.20 and 35,117.42 is: 48,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,989.92 : 81,406.20 = 35,117.42 : x
  2. Step 2: Convert to fraction form
    58,989.92/81,406.20 = 35,117.42/x
  3. Step 3: Cross multiply
    58,989.92x = 81,406.20 × 35,117.42
  4. Step 4: Simplify right side
    58,989.92x = 2,858,775,716.00
  5. Step 5: Solve for x
    x = 2,858,775,716.00/58,989.92
  6. Step 6: Final answer
    x = 48,462.11

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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.