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Finding the Fourth Proportional to 28,996.43, 43,494.01 and 9,274.92

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Solution

The fourth proportional to 28,996.43, 43,494.01 and 9,274.92 is: 13,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.43 : 43,494.01 = 9,274.92 : x
  2. Step 2: Convert to fraction form
    28,996.43/43,494.01 = 9,274.92/x
  3. Step 3: Cross multiply
    28,996.43x = 43,494.01 × 9,274.92
  4. Step 4: Simplify right side
    28,996.43x = 403,403,521.59
  5. Step 5: Solve for x
    x = 403,403,521.59/28,996.43
  6. Step 6: Final answer
    x = 13,912.18

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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.