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Finding the Fourth Proportional to 16,054.96, 22,156.68 and 8,981.50

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Solution

The fourth proportional to 16,054.96, 22,156.68 and 8,981.50 is: 12,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054.96 : 22,156.68 = 8,981.50 : x
  2. Step 2: Convert to fraction form
    16,054.96/22,156.68 = 8,981.50/x
  3. Step 3: Cross multiply
    16,054.96x = 22,156.68 × 8,981.50
  4. Step 4: Simplify right side
    16,054.96x = 199,000,221.42
  5. Step 5: Solve for x
    x = 199,000,221.42/16,054.96
  6. Step 6: Final answer
    x = 12,394.94

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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.