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Finding the Fourth Proportional to 12,063.68, 16,649.10 and 6,759.44

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Solution

The fourth proportional to 12,063.68, 16,649.10 and 6,759.44 is: 9,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.68 : 16,649.10 = 6,759.44 : x
  2. Step 2: Convert to fraction form
    12,063.68/16,649.10 = 6,759.44/x
  3. Step 3: Cross multiply
    12,063.68x = 16,649.10 × 6,759.44
  4. Step 4: Simplify right side
    12,063.68x = 112,538,592.50
  5. Step 5: Solve for x
    x = 112,538,592.50/12,063.68
  6. Step 6: Final answer
    x = 9,328.71

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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.