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Finding the Fourth Proportional to 20,041.17, 30,060.81 and 6,893.79

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Solution

The fourth proportional to 20,041.17, 30,060.81 and 6,893.79 is: 10,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.17 : 30,060.81 = 6,893.79 : x
  2. Step 2: Convert to fraction form
    20,041.17/30,060.81 = 6,893.79/x
  3. Step 3: Cross multiply
    20,041.17x = 30,060.81 × 6,893.79
  4. Step 4: Simplify right side
    20,041.17x = 207,232,911.37
  5. Step 5: Solve for x
    x = 207,232,911.37/20,041.17
  6. Step 6: Final answer
    x = 10,340.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.