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Finding the Fourth Proportional to 67,967.24, 101,950.85 and 21,224.12

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Solution

The fourth proportional to 67,967.24, 101,950.85 and 21,224.12 is: 31,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,967.24 : 101,950.85 = 21,224.12 : x
  2. Step 2: Convert to fraction form
    67,967.24/101,950.85 = 21,224.12/x
  3. Step 3: Cross multiply
    67,967.24x = 101,950.85 × 21,224.12
  4. Step 4: Simplify right side
    67,967.24x = 2,163,817,074.50
  5. Step 5: Solve for x
    x = 2,163,817,074.50/67,967.24
  6. Step 6: Final answer
    x = 31,836.18

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Similar ratio
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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.