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Finding the Fourth Proportional to 17,992.84, 26,990.88 and 9,222.16

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Solution

The fourth proportional to 17,992.84, 26,990.88 and 9,222.16 is: 13,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.84 : 26,990.88 = 9,222.16 : x
  2. Step 2: Convert to fraction form
    17,992.84/26,990.88 = 9,222.16/x
  3. Step 3: Cross multiply
    17,992.84x = 26,990.88 × 9,222.16
  4. Step 4: Simplify right side
    17,992.84x = 248,914,213.90
  5. Step 5: Solve for x
    x = 248,914,213.90/17,992.84
  6. Step 6: Final answer
    x = 13,834.07

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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.