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Finding the Fourth Proportional to 4,389.66, 6,583.20 and 1,757.16

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Solution

The fourth proportional to 4,389.66, 6,583.20 and 1,757.16 is: 2,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.66 : 6,583.20 = 1,757.16 : x
  2. Step 2: Convert to fraction form
    4,389.66/6,583.20 = 1,757.16/x
  3. Step 3: Cross multiply
    4,389.66x = 6,583.20 × 1,757.16
  4. Step 4: Simplify right side
    4,389.66x = 11,567,735.71
  5. Step 5: Solve for x
    x = 11,567,735.71/4,389.66
  6. Step 6: Final answer
    x = 2,635.22

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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.