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Finding the Fourth Proportional to 68,982.68, 103,484.28 and 33,924.80

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Solution

The fourth proportional to 68,982.68, 103,484.28 and 33,924.80 is: 50,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982.68 : 103,484.28 = 33,924.80 : x
  2. Step 2: Convert to fraction form
    68,982.68/103,484.28 = 33,924.80/x
  3. Step 3: Cross multiply
    68,982.68x = 103,484.28 × 33,924.80
  4. Step 4: Simplify right side
    68,982.68x = 3,510,683,502.14
  5. Step 5: Solve for x
    x = 3,510,683,502.14/68,982.68
  6. Step 6: Final answer
    x = 50,892.25

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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.