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Finding the Fourth Proportional to 54,881.91, 75,740.54 and 33,658.29

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Solution

The fourth proportional to 54,881.91, 75,740.54 and 33,658.29 is: 46,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,881.91 : 75,740.54 = 33,658.29 : x
  2. Step 2: Convert to fraction form
    54,881.91/75,740.54 = 33,658.29/x
  3. Step 3: Cross multiply
    54,881.91x = 75,740.54 × 33,658.29
  4. Step 4: Simplify right side
    54,881.91x = 2,549,296,891.79
  5. Step 5: Solve for x
    x = 2,549,296,891.79/54,881.91
  6. Step 6: Final answer
    x = 46,450.59

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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.