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Finding the Fourth Proportional to 54,881.34, 75,740.04 and 33,379.49

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Solution

The fourth proportional to 54,881.34, 75,740.04 and 33,379.49 is: 46,065.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,881.34 : 75,740.04 = 33,379.49 : x
  2. Step 2: Convert to fraction form
    54,881.34/75,740.04 = 33,379.49/x
  3. Step 3: Cross multiply
    54,881.34x = 75,740.04 × 33,379.49
  4. Step 4: Simplify right side
    54,881.34x = 2,528,163,529.08
  5. Step 5: Solve for x
    x = 2,528,163,529.08/54,881.34
  6. Step 6: Final answer
    x = 46,065.99

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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.