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Finding the Fourth Proportional to 14,191.62, 19,582.97 and 8,739.83

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Solution

The fourth proportional to 14,191.62, 19,582.97 and 8,739.83 is: 12,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.62 : 19,582.97 = 8,739.83 : x
  2. Step 2: Convert to fraction form
    14,191.62/19,582.97 = 8,739.83/x
  3. Step 3: Cross multiply
    14,191.62x = 19,582.97 × 8,739.83
  4. Step 4: Simplify right side
    14,191.62x = 171,151,687.08
  5. Step 5: Solve for x
    x = 171,151,687.08/14,191.62
  6. Step 6: Final answer
    x = 12,060.05

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