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Finding the Fourth Proportional to 22,264.80, 30,724.04 and 12,193.36

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Solution

The fourth proportional to 22,264.80, 30,724.04 and 12,193.36 is: 16,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.80 : 30,724.04 = 12,193.36 : x
  2. Step 2: Convert to fraction form
    22,264.80/30,724.04 = 12,193.36/x
  3. Step 3: Cross multiply
    22,264.80x = 30,724.04 × 12,193.36
  4. Step 4: Simplify right side
    22,264.80x = 374,629,280.37
  5. Step 5: Solve for x
    x = 374,629,280.37/22,264.80
  6. Step 6: Final answer
    x = 16,826.08

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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.