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Finding the Fourth Proportional to 57,632.98, 86,334.45 and 27,960.79

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Solution

The fourth proportional to 57,632.98, 86,334.45 and 27,960.79 is: 41,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632.98 : 86,334.45 = 27,960.79 : x
  2. Step 2: Convert to fraction form
    57,632.98/86,334.45 = 27,960.79/x
  3. Step 3: Cross multiply
    57,632.98x = 86,334.45 × 27,960.79
  4. Step 4: Simplify right side
    57,632.98x = 2,413,979,426.22
  5. Step 5: Solve for x
    x = 2,413,979,426.22/57,632.98
  6. Step 6: Final answer
    x = 41,885.38

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1.5x scale

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.