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Finding the Fourth Proportional to 28,992.44, 43,494.12 and 9,265.70

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Solution

The fourth proportional to 28,992.44, 43,494.12 and 9,265.70 is: 13,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.44 : 43,494.12 = 9,265.70 : x
  2. Step 2: Convert to fraction form
    28,992.44/43,494.12 = 9,265.70/x
  3. Step 3: Cross multiply
    28,992.44x = 43,494.12 × 9,265.70
  4. Step 4: Simplify right side
    28,992.44x = 403,003,250.21
  5. Step 5: Solve for x
    x = 403,003,250.21/28,992.44
  6. Step 6: Final answer
    x = 13,900.29

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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.