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Finding the Fourth Proportional to 22,263.69, 30,724.06 and 12,193.07

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Solution

The fourth proportional to 22,263.69, 30,724.06 and 12,193.07 is: 16,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.69 : 30,724.06 = 12,193.07 : x
  2. Step 2: Convert to fraction form
    22,263.69/30,724.06 = 12,193.07/x
  3. Step 3: Cross multiply
    22,263.69x = 30,724.06 × 12,193.07
  4. Step 4: Simplify right side
    22,263.69x = 374,620,453.02
  5. Step 5: Solve for x
    x = 374,620,453.02/22,263.69
  6. Step 6: Final answer
    x = 16,826.52

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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.