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Finding the Fourth Proportional to 67,997.80, 93,832.48 and 37,780.84

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Solution

The fourth proportional to 67,997.80, 93,832.48 and 37,780.84 is: 52,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,997.80 : 93,832.48 = 37,780.84 : x
  2. Step 2: Convert to fraction form
    67,997.80/93,832.48 = 37,780.84/x
  3. Step 3: Cross multiply
    67,997.80x = 93,832.48 × 37,780.84
  4. Step 4: Simplify right side
    67,997.80x = 3,545,069,913.68
  5. Step 5: Solve for x
    x = 3,545,069,913.68/67,997.80
  6. Step 6: Final answer
    x = 52,135.07

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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.