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Finding the Fourth Proportional to 5,612.70, 8,416.06 and 1,716.06

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Solution

The fourth proportional to 5,612.70, 8,416.06 and 1,716.06 is: 2,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.70 : 8,416.06 = 1,716.06 : x
  2. Step 2: Convert to fraction form
    5,612.70/8,416.06 = 1,716.06/x
  3. Step 3: Cross multiply
    5,612.70x = 8,416.06 × 1,716.06
  4. Step 4: Simplify right side
    5,612.70x = 14,442,463.92
  5. Step 5: Solve for x
    x = 14,442,463.92/5,612.70
  6. Step 6: Final answer
    x = 2,573.18

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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.