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Finding the Fourth Proportional to 54,859.73, 75,736.55 and 34,463.07

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Solution

The fourth proportional to 54,859.73, 75,736.55 and 34,463.07 is: 47,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,859.73 : 75,736.55 = 34,463.07 : x
  2. Step 2: Convert to fraction form
    54,859.73/75,736.55 = 34,463.07/x
  3. Step 3: Cross multiply
    54,859.73x = 75,736.55 × 34,463.07
  4. Step 4: Simplify right side
    54,859.73x = 2,610,114,024.21
  5. Step 5: Solve for x
    x = 2,610,114,024.21/54,859.73
  6. Step 6: Final answer
    x = 47,577.96

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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.