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Finding the Fourth Proportional to 6,239.22, 8,600.22 and 4,911.18

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Solution

The fourth proportional to 6,239.22, 8,600.22 and 4,911.18 is: 6,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.22 : 8,600.22 = 4,911.18 : x
  2. Step 2: Convert to fraction form
    6,239.22/8,600.22 = 4,911.18/x
  3. Step 3: Cross multiply
    6,239.22x = 8,600.22 × 4,911.18
  4. Step 4: Simplify right side
    6,239.22x = 42,237,228.46
  5. Step 5: Solve for x
    x = 42,237,228.46/6,239.22
  6. Step 6: Final answer
    x = 6,769.63

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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.