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Finding the Fourth Proportional to 60,474.26, 90,742.08 and 27,187.58

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Solution

The fourth proportional to 60,474.26, 90,742.08 and 27,187.58 is: 40,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,474.26 : 90,742.08 = 27,187.58 : x
  2. Step 2: Convert to fraction form
    60,474.26/90,742.08 = 27,187.58/x
  3. Step 3: Cross multiply
    60,474.26x = 90,742.08 × 27,187.58
  4. Step 4: Simplify right side
    60,474.26x = 2,467,057,559.37
  5. Step 5: Solve for x
    x = 2,467,057,559.37/60,474.26
  6. Step 6: Final answer
    x = 40,795.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.