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Finding the Fourth Proportional to 12,028.51, 16,599.41 and 6,723.21

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Solution

The fourth proportional to 12,028.51, 16,599.41 and 6,723.21 is: 9,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.51 : 16,599.41 = 6,723.21 : x
  2. Step 2: Convert to fraction form
    12,028.51/16,599.41 = 6,723.21/x
  3. Step 3: Cross multiply
    12,028.51x = 16,599.41 × 6,723.21
  4. Step 4: Simplify right side
    12,028.51x = 111,601,327.19
  5. Step 5: Solve for x
    x = 111,601,327.19/12,028.51
  6. Step 6: Final answer
    x = 9,278.07

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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.