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Finding the Fourth Proportional to 32,608.61, 48,879.82 and 18,539.57

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Solution

The fourth proportional to 32,608.61, 48,879.82 and 18,539.57 is: 27,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,608.61 : 48,879.82 = 18,539.57 : x
  2. Step 2: Convert to fraction form
    32,608.61/48,879.82 = 18,539.57/x
  3. Step 3: Cross multiply
    32,608.61x = 48,879.82 × 18,539.57
  4. Step 4: Simplify right side
    32,608.61x = 906,210,844.48
  5. Step 5: Solve for x
    x = 906,210,844.48/32,608.61
  6. Step 6: Final answer
    x = 27,790.54

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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.