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Finding the Fourth Proportional to 67,967.23, 101,950.85 and 21,224.11

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Solution

The fourth proportional to 67,967.23, 101,950.85 and 21,224.11 is: 31,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,967.23 : 101,950.85 = 21,224.11 : x
  2. Step 2: Convert to fraction form
    67,967.23/101,950.85 = 21,224.11/x
  3. Step 3: Cross multiply
    67,967.23x = 101,950.85 × 21,224.11
  4. Step 4: Simplify right side
    67,967.23x = 2,163,816,054.99
  5. Step 5: Solve for x
    x = 2,163,816,054.99/67,967.23
  6. Step 6: Final answer
    x = 31,836.17

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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.