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Finding the Fourth Proportional to 28,793.96, 43,165.02 and 10,321.64

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Solution

The fourth proportional to 28,793.96, 43,165.02 and 10,321.64 is: 15,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.96 : 43,165.02 = 10,321.64 : x
  2. Step 2: Convert to fraction form
    28,793.96/43,165.02 = 10,321.64/x
  3. Step 3: Cross multiply
    28,793.96x = 43,165.02 × 10,321.64
  4. Step 4: Simplify right side
    28,793.96x = 445,533,797.03
  5. Step 5: Solve for x
    x = 445,533,797.03/28,793.96
  6. Step 6: Final answer
    x = 15,473.17

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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.