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Finding the Fourth Proportional to 39,696.75, 59,545.26 and 11,994.75

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Solution

The fourth proportional to 39,696.75, 59,545.26 and 11,994.75 is: 17,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,696.75 : 59,545.26 = 11,994.75 : x
  2. Step 2: Convert to fraction form
    39,696.75/59,545.26 = 11,994.75/x
  3. Step 3: Cross multiply
    39,696.75x = 59,545.26 × 11,994.75
  4. Step 4: Simplify right side
    39,696.75x = 714,230,507.39
  5. Step 5: Solve for x
    x = 714,230,507.39/39,696.75
  6. Step 6: Final answer
    x = 17,992.17

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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.