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Finding the Fourth Proportional to 17,922.15, 26,881.88 and 7,249.19

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Solution

The fourth proportional to 17,922.15, 26,881.88 and 7,249.19 is: 10,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,922.15 : 26,881.88 = 7,249.19 : x
  2. Step 2: Convert to fraction form
    17,922.15/26,881.88 = 7,249.19/x
  3. Step 3: Cross multiply
    17,922.15x = 26,881.88 × 7,249.19
  4. Step 4: Simplify right side
    17,922.15x = 194,871,685.02
  5. Step 5: Solve for x
    x = 194,871,685.02/17,922.15
  6. Step 6: Final answer
    x = 10,873.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.