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Finding the Fourth Proportional to 67,210.71, 100,878.33 and 33,954.14

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Solution

The fourth proportional to 67,210.71, 100,878.33 and 33,954.14 is: 50,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.71 : 100,878.33 = 33,954.14 : x
  2. Step 2: Convert to fraction form
    67,210.71/100,878.33 = 33,954.14/x
  3. Step 3: Cross multiply
    67,210.71x = 100,878.33 × 33,954.14
  4. Step 4: Simplify right side
    67,210.71x = 3,425,236,435.39
  5. Step 5: Solve for x
    x = 3,425,236,435.39/67,210.71
  6. Step 6: Final answer
    x = 50,962.66

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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.