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Finding the Fourth Proportional to 27,189.96, 37,515.72 and 15,852.64

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Solution

The fourth proportional to 27,189.96, 37,515.72 and 15,852.64 is: 21,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189.96 : 37,515.72 = 15,852.64 : x
  2. Step 2: Convert to fraction form
    27,189.96/37,515.72 = 15,852.64/x
  3. Step 3: Cross multiply
    27,189.96x = 37,515.72 × 15,852.64
  4. Step 4: Simplify right side
    27,189.96x = 594,723,203.50
  5. Step 5: Solve for x
    x = 594,723,203.50/27,189.96
  6. Step 6: Final answer
    x = 21,872.90

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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.