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Finding the Fourth Proportional to 54,998.88, 75,899.53 and 35,890.88

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Solution

The fourth proportional to 54,998.88, 75,899.53 and 35,890.88 is: 49,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,998.88 : 75,899.53 = 35,890.88 : x
  2. Step 2: Convert to fraction form
    54,998.88/75,899.53 = 35,890.88/x
  3. Step 3: Cross multiply
    54,998.88x = 75,899.53 × 35,890.88
  4. Step 4: Simplify right side
    54,998.88x = 2,724,101,023.31
  5. Step 5: Solve for x
    x = 2,724,101,023.31/54,998.88
  6. Step 6: Final answer
    x = 49,530.12

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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.