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Finding the Fourth Proportional to 12,593.53, 18,965.27 and 10,969.69

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Solution

The fourth proportional to 12,593.53, 18,965.27 and 10,969.69 is: 16,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.53 : 18,965.27 = 10,969.69 : x
  2. Step 2: Convert to fraction form
    12,593.53/18,965.27 = 10,969.69/x
  3. Step 3: Cross multiply
    12,593.53x = 18,965.27 × 10,969.69
  4. Step 4: Simplify right side
    12,593.53x = 208,043,037.84
  5. Step 5: Solve for x
    x = 208,043,037.84/12,593.53
  6. Step 6: Final answer
    x = 16,519.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.