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Finding the Fourth Proportional to 54,627.66, 81,950.13 and 19,566.54

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Solution

The fourth proportional to 54,627.66, 81,950.13 and 19,566.54 is: 29,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.66 : 81,950.13 = 19,566.54 : x
  2. Step 2: Convert to fraction form
    54,627.66/81,950.13 = 19,566.54/x
  3. Step 3: Cross multiply
    54,627.66x = 81,950.13 × 19,566.54
  4. Step 4: Simplify right side
    54,627.66x = 1,603,480,496.65
  5. Step 5: Solve for x
    x = 1,603,480,496.65/54,627.66
  6. Step 6: Final answer
    x = 29,352.90

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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.