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Finding the Fourth Proportional to 4,389.44, 6,585.44 and 1,616.96

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Solution

The fourth proportional to 4,389.44, 6,585.44 and 1,616.96 is: 2,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.44 : 6,585.44 = 1,616.96 : x
  2. Step 2: Convert to fraction form
    4,389.44/6,585.44 = 1,616.96/x
  3. Step 3: Cross multiply
    4,389.44x = 6,585.44 × 1,616.96
  4. Step 4: Simplify right side
    4,389.44x = 10,648,393.06
  5. Step 5: Solve for x
    x = 10,648,393.06/4,389.44
  6. Step 6: Final answer
    x = 2,425.91

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Why These Related Problems?

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