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Finding the Fourth Proportional to 7,686.52, 10,608.78 and 6,027.64

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Solution

The fourth proportional to 7,686.52, 10,608.78 and 6,027.64 is: 8,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.52 : 10,608.78 = 6,027.64 : x
  2. Step 2: Convert to fraction form
    7,686.52/10,608.78 = 6,027.64/x
  3. Step 3: Cross multiply
    7,686.52x = 10,608.78 × 6,027.64
  4. Step 4: Simplify right side
    7,686.52x = 63,945,906.68
  5. Step 5: Solve for x
    x = 63,945,906.68/7,686.52
  6. Step 6: Final answer
    x = 8,319.23

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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.