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Finding the Fourth Proportional to 28,196.13, 38,908.93 and 16,097.99

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Solution

The fourth proportional to 28,196.13, 38,908.93 and 16,097.99 is: 22,214.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.13 : 38,908.93 = 16,097.99 : x
  2. Step 2: Convert to fraction form
    28,196.13/38,908.93 = 16,097.99/x
  3. Step 3: Cross multiply
    28,196.13x = 38,908.93 × 16,097.99
  4. Step 4: Simplify right side
    28,196.13x = 626,355,625.58
  5. Step 5: Solve for x
    x = 626,355,625.58/28,196.13
  6. Step 6: Final answer
    x = 22,214.24

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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.