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Finding the Fourth Proportional to 8,552.75, 11,809.46 and 6,560.15

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Solution

The fourth proportional to 8,552.75, 11,809.46 and 6,560.15 is: 9,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.75 : 11,809.46 = 6,560.15 : x
  2. Step 2: Convert to fraction form
    8,552.75/11,809.46 = 6,560.15/x
  3. Step 3: Cross multiply
    8,552.75x = 11,809.46 × 6,560.15
  4. Step 4: Simplify right side
    8,552.75x = 77,471,786.37
  5. Step 5: Solve for x
    x = 77,471,786.37/8,552.75
  6. Step 6: Final answer
    x = 9,058.12

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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.