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Finding the Fourth Proportional to 12,049.93, 16,629.54 and 7,572.02

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Solution

The fourth proportional to 12,049.93, 16,629.54 and 7,572.02 is: 10,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.93 : 16,629.54 = 7,572.02 : x
  2. Step 2: Convert to fraction form
    12,049.93/16,629.54 = 7,572.02/x
  3. Step 3: Cross multiply
    12,049.93x = 16,629.54 × 7,572.02
  4. Step 4: Simplify right side
    12,049.93x = 125,919,222.65
  5. Step 5: Solve for x
    x = 125,919,222.65/12,049.93
  6. Step 6: Final answer
    x = 10,449.79

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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.