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Finding the Fourth Proportional to 55,573.65, 83,363.13 and 18,133.65

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Solution

The fourth proportional to 55,573.65, 83,363.13 and 18,133.65 is: 27,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.65 : 83,363.13 = 18,133.65 : x
  2. Step 2: Convert to fraction form
    55,573.65/83,363.13 = 18,133.65/x
  3. Step 3: Cross multiply
    55,573.65x = 83,363.13 × 18,133.65
  4. Step 4: Simplify right side
    55,573.65x = 1,511,677,822.32
  5. Step 5: Solve for x
    x = 1,511,677,822.32/55,573.65
  6. Step 6: Final answer
    x = 27,201.34

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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.