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Finding the Fourth Proportional to 22,616.80, 33,925.20 and 5,979.40

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Solution

The fourth proportional to 22,616.80, 33,925.20 and 5,979.40 is: 8,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.80 : 33,925.20 = 5,979.40 : x
  2. Step 2: Convert to fraction form
    22,616.80/33,925.20 = 5,979.40/x
  3. Step 3: Cross multiply
    22,616.80x = 33,925.20 × 5,979.40
  4. Step 4: Simplify right side
    22,616.80x = 202,852,340.88
  5. Step 5: Solve for x
    x = 202,852,340.88/22,616.80
  6. Step 6: Final answer
    x = 8,969.10

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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.