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Finding the Fourth Proportional to 6,615.75, 9,923.63 and 2,967.75

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Solution

The fourth proportional to 6,615.75, 9,923.63 and 2,967.75 is: 4,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.75 : 9,923.63 = 2,967.75 : x
  2. Step 2: Convert to fraction form
    6,615.75/9,923.63 = 2,967.75/x
  3. Step 3: Cross multiply
    6,615.75x = 9,923.63 × 2,967.75
  4. Step 4: Simplify right side
    6,615.75x = 29,450,838.09
  5. Step 5: Solve for x
    x = 29,450,838.09/6,615.75
  6. Step 6: Final answer
    x = 4,451.63

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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.