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Finding the Fourth Proportional to 28,195.60, 38,908.20 and 16,097.46

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Solution

The fourth proportional to 28,195.60, 38,908.20 and 16,097.46 is: 22,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.60 : 38,908.20 = 16,097.46 : x
  2. Step 2: Convert to fraction form
    28,195.60/38,908.20 = 16,097.46/x
  3. Step 3: Cross multiply
    28,195.60x = 38,908.20 × 16,097.46
  4. Step 4: Simplify right side
    28,195.60x = 626,323,193.17
  5. Step 5: Solve for x
    x = 626,323,193.17/28,195.60
  6. Step 6: Final answer
    x = 22,213.51

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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.