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Finding the Fourth Proportional to 22,505.76, 33,762.60 and 8,653.68

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Solution

The fourth proportional to 22,505.76, 33,762.60 and 8,653.68 is: 12,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,505.76 : 33,762.60 = 8,653.68 : x
  2. Step 2: Convert to fraction form
    22,505.76/33,762.60 = 8,653.68/x
  3. Step 3: Cross multiply
    22,505.76x = 33,762.60 × 8,653.68
  4. Step 4: Simplify right side
    22,505.76x = 292,170,736.37
  5. Step 5: Solve for x
    x = 292,170,736.37/22,505.76
  6. Step 6: Final answer
    x = 12,982.04

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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.