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Finding the Fourth Proportional to 9,293.46, 13,958.42 and 7,217.66

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Solution

The fourth proportional to 9,293.46, 13,958.42 and 7,217.66 is: 10,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.46 : 13,958.42 = 7,217.66 : x
  2. Step 2: Convert to fraction form
    9,293.46/13,958.42 = 7,217.66/x
  3. Step 3: Cross multiply
    9,293.46x = 13,958.42 × 7,217.66
  4. Step 4: Simplify right side
    9,293.46x = 100,747,023.82
  5. Step 5: Solve for x
    x = 100,747,023.82/9,293.46
  6. Step 6: Final answer
    x = 10,840.64

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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.