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Finding the Fourth Proportional to 54,163.52, 74,746.24 and 30,291.52

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Solution

The fourth proportional to 54,163.52, 74,746.24 and 30,291.52 is: 41,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.52 : 74,746.24 = 30,291.52 : x
  2. Step 2: Convert to fraction form
    54,163.52/74,746.24 = 30,291.52/x
  3. Step 3: Cross multiply
    54,163.52x = 74,746.24 × 30,291.52
  4. Step 4: Simplify right side
    54,163.52x = 2,264,177,223.88
  5. Step 5: Solve for x
    x = 2,264,177,223.88/54,163.52
  6. Step 6: Final answer
    x = 41,802.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.