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Finding the Fourth Proportional to 67,994.67, 93,805.77 and 39,309.06

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Solution

The fourth proportional to 67,994.67, 93,805.77 and 39,309.06 is: 54,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,994.67 : 93,805.77 = 39,309.06 : x
  2. Step 2: Convert to fraction form
    67,994.67/93,805.77 = 39,309.06/x
  3. Step 3: Cross multiply
    67,994.67x = 93,805.77 × 39,309.06
  4. Step 4: Simplify right side
    67,994.67x = 3,687,416,641.28
  5. Step 5: Solve for x
    x = 3,687,416,641.28/67,994.67
  6. Step 6: Final answer
    x = 54,230.97

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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.