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Finding the Fourth Proportional to 9,515.88, 13,133.88 and 5,976.72

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Solution

The fourth proportional to 9,515.88, 13,133.88 and 5,976.72 is: 8,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.88 : 13,133.88 = 5,976.72 : x
  2. Step 2: Convert to fraction form
    9,515.88/13,133.88 = 5,976.72/x
  3. Step 3: Cross multiply
    9,515.88x = 13,133.88 × 5,976.72
  4. Step 4: Simplify right side
    9,515.88x = 78,497,523.27
  5. Step 5: Solve for x
    x = 78,497,523.27/9,515.88
  6. Step 6: Final answer
    x = 8,249.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.