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Finding the Fourth Proportional to 7,282.84, 10,922.62 and 2,899.12

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Solution

The fourth proportional to 7,282.84, 10,922.62 and 2,899.12 is: 4,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.84 : 10,922.62 = 2,899.12 : x
  2. Step 2: Convert to fraction form
    7,282.84/10,922.62 = 2,899.12/x
  3. Step 3: Cross multiply
    7,282.84x = 10,922.62 × 2,899.12
  4. Step 4: Simplify right side
    7,282.84x = 31,665,986.09
  5. Step 5: Solve for x
    x = 31,665,986.09/7,282.84
  6. Step 6: Final answer
    x = 4,348.03

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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.