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Finding the Fourth Proportional to 7,797.08, 10,771.36 and 6,747.32

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Solution

The fourth proportional to 7,797.08, 10,771.36 and 6,747.32 is: 9,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.08 : 10,771.36 = 6,747.32 : x
  2. Step 2: Convert to fraction form
    7,797.08/10,771.36 = 6,747.32/x
  3. Step 3: Cross multiply
    7,797.08x = 10,771.36 × 6,747.32
  4. Step 4: Simplify right side
    7,797.08x = 72,677,822.82
  5. Step 5: Solve for x
    x = 72,677,822.82/7,797.08
  6. Step 6: Final answer
    x = 9,321.16

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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.