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Finding the Fourth Proportional to 92,796.94, 128,058.41 and 54,560.79

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Solution

The fourth proportional to 92,796.94, 128,058.41 and 54,560.79 is: 75,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,796.94 : 128,058.41 = 54,560.79 : x
  2. Step 2: Convert to fraction form
    92,796.94/128,058.41 = 54,560.79/x
  3. Step 3: Cross multiply
    92,796.94x = 128,058.41 × 54,560.79
  4. Step 4: Simplify right side
    92,796.94x = 6,986,968,589.04
  5. Step 5: Solve for x
    x = 6,986,968,589.04/92,796.94
  6. Step 6: Final answer
    x = 75,293.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.