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Finding the Fourth Proportional to 54,605.43, 75,369.74 and 33,402.47

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Solution

The fourth proportional to 54,605.43, 75,369.74 and 33,402.47 is: 46,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605.43 : 75,369.74 = 33,402.47 : x
  2. Step 2: Convert to fraction form
    54,605.43/75,369.74 = 33,402.47/x
  3. Step 3: Cross multiply
    54,605.43x = 75,369.74 × 33,402.47
  4. Step 4: Simplify right side
    54,605.43x = 2,517,534,935.40
  5. Step 5: Solve for x
    x = 2,517,534,935.40/54,605.43
  6. Step 6: Final answer
    x = 46,104.11

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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.