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Finding the Fourth Proportional to 28,169.35, 38,873.65 and 15,594.10

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Solution

The fourth proportional to 28,169.35, 38,873.65 and 15,594.10 is: 21,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.35 : 38,873.65 = 15,594.10 : x
  2. Step 2: Convert to fraction form
    28,169.35/38,873.65 = 15,594.10/x
  3. Step 3: Cross multiply
    28,169.35x = 38,873.65 × 15,594.10
  4. Step 4: Simplify right side
    28,169.35x = 606,199,585.47
  5. Step 5: Solve for x
    x = 606,199,585.47/28,169.35
  6. Step 6: Final answer
    x = 21,519.83

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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.