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Finding the Fourth Proportional to 54,665.79, 75,441.54 and 30,795.09

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Solution

The fourth proportional to 54,665.79, 75,441.54 and 30,795.09 is: 42,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.79 : 75,441.54 = 30,795.09 : x
  2. Step 2: Convert to fraction form
    54,665.79/75,441.54 = 30,795.09/x
  3. Step 3: Cross multiply
    54,665.79x = 75,441.54 × 30,795.09
  4. Step 4: Simplify right side
    54,665.79x = 2,323,229,014.04
  5. Step 5: Solve for x
    x = 2,323,229,014.04/54,665.79
  6. Step 6: Final answer
    x = 42,498.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.