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Finding the Fourth Proportional to 7,591.08, 11,388.78 and 5,393.28

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Solution

The fourth proportional to 7,591.08, 11,388.78 and 5,393.28 is: 8,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.08 : 11,388.78 = 5,393.28 : x
  2. Step 2: Convert to fraction form
    7,591.08/11,388.78 = 5,393.28/x
  3. Step 3: Cross multiply
    7,591.08x = 11,388.78 × 5,393.28
  4. Step 4: Simplify right side
    7,591.08x = 61,422,879.40
  5. Step 5: Solve for x
    x = 61,422,879.40/7,591.08
  6. Step 6: Final answer
    x = 8,091.45

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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.