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Finding the Fourth Proportional to 17,088.66, 25,634.21 and 5,240.90

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Solution

The fourth proportional to 17,088.66, 25,634.21 and 5,240.90 is: 7,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.66 : 25,634.21 = 5,240.90 : x
  2. Step 2: Convert to fraction form
    17,088.66/25,634.21 = 5,240.90/x
  3. Step 3: Cross multiply
    17,088.66x = 25,634.21 × 5,240.90
  4. Step 4: Simplify right side
    17,088.66x = 134,346,176.81
  5. Step 5: Solve for x
    x = 134,346,176.81/17,088.66
  6. Step 6: Final answer
    x = 7,861.72

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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.