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Finding the Fourth Proportional to 3,046.45, 4,204.10 and 1,720.43

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Solution

The fourth proportional to 3,046.45, 4,204.10 and 1,720.43 is: 2,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.45 : 4,204.10 = 1,720.43 : x
  2. Step 2: Convert to fraction form
    3,046.45/4,204.10 = 1,720.43/x
  3. Step 3: Cross multiply
    3,046.45x = 4,204.10 × 1,720.43
  4. Step 4: Simplify right side
    3,046.45x = 7,232,859.76
  5. Step 5: Solve for x
    x = 7,232,859.76/3,046.45
  6. Step 6: Final answer
    x = 2,374.19

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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.