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Finding the Fourth Proportional to 32,235.66, 44,474.31 and 20,919.33

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Solution

The fourth proportional to 32,235.66, 44,474.31 and 20,919.33 is: 28,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,235.66 : 44,474.31 = 20,919.33 : x
  2. Step 2: Convert to fraction form
    32,235.66/44,474.31 = 20,919.33/x
  3. Step 3: Cross multiply
    32,235.66x = 44,474.31 × 20,919.33
  4. Step 4: Simplify right side
    32,235.66x = 930,372,767.41
  5. Step 5: Solve for x
    x = 930,372,767.41/32,235.66
  6. Step 6: Final answer
    x = 28,861.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.