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Finding the Fourth Proportional to 3,803.46, 5,706.08 and 1,612.28

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Solution

The fourth proportional to 3,803.46, 5,706.08 and 1,612.28 is: 2,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.46 : 5,706.08 = 1,612.28 : x
  2. Step 2: Convert to fraction form
    3,803.46/5,706.08 = 1,612.28/x
  3. Step 3: Cross multiply
    3,803.46x = 5,706.08 × 1,612.28
  4. Step 4: Simplify right side
    3,803.46x = 9,199,798.66
  5. Step 5: Solve for x
    x = 9,199,798.66/3,803.46
  6. Step 6: Final answer
    x = 2,418.80

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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.