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Finding the Fourth Proportional to 67,331.01, 101,000.66 and 27,891.21

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Solution

The fourth proportional to 67,331.01, 101,000.66 and 27,891.21 is: 41,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,331.01 : 101,000.66 = 27,891.21 : x
  2. Step 2: Convert to fraction form
    67,331.01/101,000.66 = 27,891.21/x
  3. Step 3: Cross multiply
    67,331.01x = 101,000.66 × 27,891.21
  4. Step 4: Simplify right side
    67,331.01x = 2,817,030,478.74
  5. Step 5: Solve for x
    x = 2,817,030,478.74/67,331.01
  6. Step 6: Final answer
    x = 41,838.53

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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.