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Finding the Fourth Proportional to 39,662.75, 59,494.17 and 11,960.75

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Solution

The fourth proportional to 39,662.75, 59,494.17 and 11,960.75 is: 17,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.75 : 59,494.17 = 11,960.75 : x
  2. Step 2: Convert to fraction form
    39,662.75/59,494.17 = 11,960.75/x
  3. Step 3: Cross multiply
    39,662.75x = 59,494.17 × 11,960.75
  4. Step 4: Simplify right side
    39,662.75x = 711,594,893.83
  5. Step 5: Solve for x
    x = 711,594,893.83/39,662.75
  6. Step 6: Final answer
    x = 17,941.14

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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.