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Finding the Fourth Proportional to 28,993.70, 43,493.28 and 9,267.58

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Solution

The fourth proportional to 28,993.70, 43,493.28 and 9,267.58 is: 13,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.70 : 43,493.28 = 9,267.58 : x
  2. Step 2: Convert to fraction form
    28,993.70/43,493.28 = 9,267.58/x
  3. Step 3: Cross multiply
    28,993.70x = 43,493.28 × 9,267.58
  4. Step 4: Simplify right side
    28,993.70x = 403,077,451.86
  5. Step 5: Solve for x
    x = 403,077,451.86/28,993.70
  6. Step 6: Final answer
    x = 13,902.24

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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.