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Finding the Fourth Proportional to 18,053.35, 27,070.07 and 5,569.90

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Solution

The fourth proportional to 18,053.35, 27,070.07 and 5,569.90 is: 8,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.35 : 27,070.07 = 5,569.90 : x
  2. Step 2: Convert to fraction form
    18,053.35/27,070.07 = 5,569.90/x
  3. Step 3: Cross multiply
    18,053.35x = 27,070.07 × 5,569.90
  4. Step 4: Simplify right side
    18,053.35x = 150,777,487.37
  5. Step 5: Solve for x
    x = 150,777,487.37/18,053.35
  6. Step 6: Final answer
    x = 8,351.77

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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.