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Finding the Fourth Proportional to 32,379.66, 48,540.68 and 12,653.73

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Solution

The fourth proportional to 32,379.66, 48,540.68 and 12,653.73 is: 18,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379.66 : 48,540.68 = 12,653.73 : x
  2. Step 2: Convert to fraction form
    32,379.66/48,540.68 = 12,653.73/x
  3. Step 3: Cross multiply
    32,379.66x = 48,540.68 × 12,653.73
  4. Step 4: Simplify right side
    32,379.66x = 614,220,595.47
  5. Step 5: Solve for x
    x = 614,220,595.47/32,379.66
  6. Step 6: Final answer
    x = 18,969.33

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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.