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Finding the Fourth Proportional to 32,879.66, 49,327.73 and 18,855.53

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Solution

The fourth proportional to 32,879.66, 49,327.73 and 18,855.53 is: 28,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,879.66 : 49,327.73 = 18,855.53 : x
  2. Step 2: Convert to fraction form
    32,879.66/49,327.73 = 18,855.53/x
  3. Step 3: Cross multiply
    32,879.66x = 49,327.73 × 18,855.53
  4. Step 4: Simplify right side
    32,879.66x = 930,100,374.95
  5. Step 5: Solve for x
    x = 930,100,374.95/32,879.66
  6. Step 6: Final answer
    x = 28,288.01

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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.