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Finding the Fourth Proportional to 7,342.75, 11,014.14 and 3,238.75

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Solution

The fourth proportional to 7,342.75, 11,014.14 and 3,238.75 is: 4,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.75 : 11,014.14 = 3,238.75 : x
  2. Step 2: Convert to fraction form
    7,342.75/11,014.14 = 3,238.75/x
  3. Step 3: Cross multiply
    7,342.75x = 11,014.14 × 3,238.75
  4. Step 4: Simplify right side
    7,342.75x = 35,672,045.93
  5. Step 5: Solve for x
    x = 35,672,045.93/7,342.75
  6. Step 6: Final answer
    x = 4,858.13

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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.