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Finding the Fourth Proportional to 22,192.99, 30,623.57 and 12,634.11

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Solution

The fourth proportional to 22,192.99, 30,623.57 and 12,634.11 is: 17,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.99 : 30,623.57 = 12,634.11 : x
  2. Step 2: Convert to fraction form
    22,192.99/30,623.57 = 12,634.11/x
  3. Step 3: Cross multiply
    22,192.99x = 30,623.57 × 12,634.11
  4. Step 4: Simplify right side
    22,192.99x = 386,901,536.18
  5. Step 5: Solve for x
    x = 386,901,536.18/22,192.99
  6. Step 6: Final answer
    x = 17,433.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.