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Finding the Fourth Proportional to 12,039.13, 16,613.94 and 6,733.99

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Solution

The fourth proportional to 12,039.13, 16,613.94 and 6,733.99 is: 9,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.13 : 16,613.94 = 6,733.99 : x
  2. Step 2: Convert to fraction form
    12,039.13/16,613.94 = 6,733.99/x
  3. Step 3: Cross multiply
    12,039.13x = 16,613.94 × 6,733.99
  4. Step 4: Simplify right side
    12,039.13x = 111,878,105.82
  5. Step 5: Solve for x
    x = 111,878,105.82/12,039.13
  6. Step 6: Final answer
    x = 9,292.87

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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.