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Finding the Fourth Proportional to 32,079.60, 48,121.83 and 8,705.43

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Solution

The fourth proportional to 32,079.60, 48,121.83 and 8,705.43 is: 13,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,079.60 : 48,121.83 = 8,705.43 : x
  2. Step 2: Convert to fraction form
    32,079.60/48,121.83 = 8,705.43/x
  3. Step 3: Cross multiply
    32,079.60x = 48,121.83 × 8,705.43
  4. Step 4: Simplify right side
    32,079.60x = 418,921,222.54
  5. Step 5: Solve for x
    x = 418,921,222.54/32,079.60
  6. Step 6: Final answer
    x = 13,058.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.