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Finding the Fourth Proportional to 54,497.79, 81,740.52 and 15,060.51

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Solution

The fourth proportional to 54,497.79, 81,740.52 and 15,060.51 is: 22,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,497.79 : 81,740.52 = 15,060.51 : x
  2. Step 2: Convert to fraction form
    54,497.79/81,740.52 = 15,060.51/x
  3. Step 3: Cross multiply
    54,497.79x = 81,740.52 × 15,060.51
  4. Step 4: Simplify right side
    54,497.79x = 1,231,053,918.87
  5. Step 5: Solve for x
    x = 1,231,053,918.87/54,497.79
  6. Step 6: Final answer
    x = 22,589.06

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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.