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Finding the Fourth Proportional to 3,889.63, 5,835.08 and 1,549.63

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Solution

The fourth proportional to 3,889.63, 5,835.08 and 1,549.63 is: 2,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.63 : 5,835.08 = 1,549.63 : x
  2. Step 2: Convert to fraction form
    3,889.63/5,835.08 = 1,549.63/x
  3. Step 3: Cross multiply
    3,889.63x = 5,835.08 × 1,549.63
  4. Step 4: Simplify right side
    3,889.63x = 9,042,192.68
  5. Step 5: Solve for x
    x = 9,042,192.68/3,889.63
  6. Step 6: Final answer
    x = 2,324.69

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1.5x scale

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.