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Finding the Fourth Proportional to 25,091.72, 37,652.16 and 11,240.72

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Solution

The fourth proportional to 25,091.72, 37,652.16 and 11,240.72 is: 16,867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,091.72 : 37,652.16 = 11,240.72 : x
  2. Step 2: Convert to fraction form
    25,091.72/37,652.16 = 11,240.72/x
  3. Step 3: Cross multiply
    25,091.72x = 37,652.16 × 11,240.72
  4. Step 4: Simplify right side
    25,091.72x = 423,237,319.81
  5. Step 5: Solve for x
    x = 423,237,319.81/25,091.72
  6. Step 6: Final answer
    x = 16,867.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.