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Finding the Fourth Proportional to 22,362.80, 33,543.64 and 5,722.88

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Solution

The fourth proportional to 22,362.80, 33,543.64 and 5,722.88 is: 8,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.80 : 33,543.64 = 5,722.88 : x
  2. Step 2: Convert to fraction form
    22,362.80/33,543.64 = 5,722.88/x
  3. Step 3: Cross multiply
    22,362.80x = 33,543.64 × 5,722.88
  4. Step 4: Simplify right side
    22,362.80x = 191,966,226.48
  5. Step 5: Solve for x
    x = 191,966,226.48/22,362.80
  6. Step 6: Final answer
    x = 8,584.18

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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.