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Finding the Fourth Proportional to 54,510.69, 81,765.22 and 15,066.93

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Solution

The fourth proportional to 54,510.69, 81,765.22 and 15,066.93 is: 22,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,510.69 : 81,765.22 = 15,066.93 : x
  2. Step 2: Convert to fraction form
    54,510.69/81,765.22 = 15,066.93/x
  3. Step 3: Cross multiply
    54,510.69x = 81,765.22 × 15,066.93
  4. Step 4: Simplify right side
    54,510.69x = 1,231,950,846.17
  5. Step 5: Solve for x
    x = 1,231,950,846.17/54,510.69
  6. Step 6: Final answer
    x = 22,600.17

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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.