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Finding the Fourth Proportional to 22,653.92, 33,980.88 and 7,866.56

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Solution

The fourth proportional to 22,653.92, 33,980.88 and 7,866.56 is: 11,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.92 : 33,980.88 = 7,866.56 : x
  2. Step 2: Convert to fraction form
    22,653.92/33,980.88 = 7,866.56/x
  3. Step 3: Cross multiply
    22,653.92x = 33,980.88 × 7,866.56
  4. Step 4: Simplify right side
    22,653.92x = 267,312,631.37
  5. Step 5: Solve for x
    x = 267,312,631.37/22,653.92
  6. Step 6: Final answer
    x = 11,799.84

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Similar ratio
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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.