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Finding the Fourth Proportional to 12,336.68, 17,024.64 and 6,747.68

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Solution

The fourth proportional to 12,336.68, 17,024.64 and 6,747.68 is: 9,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.68 : 17,024.64 = 6,747.68 : x
  2. Step 2: Convert to fraction form
    12,336.68/17,024.64 = 6,747.68/x
  3. Step 3: Cross multiply
    12,336.68x = 17,024.64 × 6,747.68
  4. Step 4: Simplify right side
    12,336.68x = 114,876,822.84
  5. Step 5: Solve for x
    x = 114,876,822.84/12,336.68
  6. Step 6: Final answer
    x = 9,311.81

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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.