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Finding the Fourth Proportional to 54,980.83, 75,881.70 and 34,839.58

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Solution

The fourth proportional to 54,980.83, 75,881.70 and 34,839.58 is: 48,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.83 : 75,881.70 = 34,839.58 : x
  2. Step 2: Convert to fraction form
    54,980.83/75,881.70 = 34,839.58/x
  3. Step 3: Cross multiply
    54,980.83x = 75,881.70 × 34,839.58
  4. Step 4: Simplify right side
    54,980.83x = 2,643,686,557.69
  5. Step 5: Solve for x
    x = 2,643,686,557.69/54,980.83
  6. Step 6: Final answer
    x = 48,083.79

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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.