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Finding the Fourth Proportional to 12,356.23, 17,049.96 and 7,050.73

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Solution

The fourth proportional to 12,356.23, 17,049.96 and 7,050.73 is: 9,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.23 : 17,049.96 = 7,050.73 : x
  2. Step 2: Convert to fraction form
    12,356.23/17,049.96 = 7,050.73/x
  3. Step 3: Cross multiply
    12,356.23x = 17,049.96 × 7,050.73
  4. Step 4: Simplify right side
    12,356.23x = 120,214,664.47
  5. Step 5: Solve for x
    x = 120,214,664.47/12,356.23
  6. Step 6: Final answer
    x = 9,729.07

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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.