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Finding the Fourth Proportional to 22,409.21, 33,613.84 and 5,769.28

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Solution

The fourth proportional to 22,409.21, 33,613.84 and 5,769.28 is: 8,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.21 : 33,613.84 = 5,769.28 : x
  2. Step 2: Convert to fraction form
    22,409.21/33,613.84 = 5,769.28/x
  3. Step 3: Cross multiply
    22,409.21x = 33,613.84 × 5,769.28
  4. Step 4: Simplify right side
    22,409.21x = 193,927,482.53
  5. Step 5: Solve for x
    x = 193,927,482.53/22,409.21
  6. Step 6: Final answer
    x = 8,653.92

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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.