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Finding the Fourth Proportional to 56,726.94, 84,960.81 and 27,165.54

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Solution

The fourth proportional to 56,726.94, 84,960.81 and 27,165.54 is: 40,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.94 : 84,960.81 = 27,165.54 : x
  2. Step 2: Convert to fraction form
    56,726.94/84,960.81 = 27,165.54/x
  3. Step 3: Cross multiply
    56,726.94x = 84,960.81 × 27,165.54
  4. Step 4: Simplify right side
    56,726.94x = 2,308,006,282.49
  5. Step 5: Solve for x
    x = 2,308,006,282.49/56,726.94
  6. Step 6: Final answer
    x = 40,686.25

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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.