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Finding the Fourth Proportional to 6,239.52, 8,610.12 and 3,586.48

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Solution

The fourth proportional to 6,239.52, 8,610.12 and 3,586.48 is: 4,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.52 : 8,610.12 = 3,586.48 : x
  2. Step 2: Convert to fraction form
    6,239.52/8,610.12 = 3,586.48/x
  3. Step 3: Cross multiply
    6,239.52x = 8,610.12 × 3,586.48
  4. Step 4: Simplify right side
    6,239.52x = 30,880,023.18
  5. Step 5: Solve for x
    x = 30,880,023.18/6,239.52
  6. Step 6: Final answer
    x = 4,949.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.