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Finding the Fourth Proportional to 54,497.53, 81,737.07 and 15,054.76

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Solution

The fourth proportional to 54,497.53, 81,737.07 and 15,054.76 is: 22,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,497.53 : 81,737.07 = 15,054.76 : x
  2. Step 2: Convert to fraction form
    54,497.53/81,737.07 = 15,054.76/x
  3. Step 3: Cross multiply
    54,497.53x = 81,737.07 × 15,054.76
  4. Step 4: Simplify right side
    54,497.53x = 1,230,532,144.69
  5. Step 5: Solve for x
    x = 1,230,532,144.69/54,497.53
  6. Step 6: Final answer
    x = 22,579.59

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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.