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Finding the Fourth Proportional to 54,040.80, 81,061.08 and 14,597.82

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Solution

The fourth proportional to 54,040.80, 81,061.08 and 14,597.82 is: 21,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,040.80 : 81,061.08 = 14,597.82 : x
  2. Step 2: Convert to fraction form
    54,040.80/81,061.08 = 14,597.82/x
  3. Step 3: Cross multiply
    54,040.80x = 81,061.08 × 14,597.82
  4. Step 4: Simplify right side
    54,040.80x = 1,183,315,054.85
  5. Step 5: Solve for x
    x = 1,183,315,054.85/54,040.80
  6. Step 6: Final answer
    x = 21,896.70

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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.