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Finding the Fourth Proportional to 18,033.04, 27,053.80 and 5,721.04

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Solution

The fourth proportional to 18,033.04, 27,053.80 and 5,721.04 is: 8,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.04 : 27,053.80 = 5,721.04 : x
  2. Step 2: Convert to fraction form
    18,033.04/27,053.80 = 5,721.04/x
  3. Step 3: Cross multiply
    18,033.04x = 27,053.80 × 5,721.04
  4. Step 4: Simplify right side
    18,033.04x = 154,775,871.95
  5. Step 5: Solve for x
    x = 154,775,871.95/18,033.04
  6. Step 6: Final answer
    x = 8,582.91

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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.