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Finding the Fourth Proportional to 6,365.70, 8,786.16 and 3,713.58

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Solution

The fourth proportional to 6,365.70, 8,786.16 and 3,713.58 is: 5,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.70 : 8,786.16 = 3,713.58 : x
  2. Step 2: Convert to fraction form
    6,365.70/8,786.16 = 3,713.58/x
  3. Step 3: Cross multiply
    6,365.70x = 8,786.16 × 3,713.58
  4. Step 4: Simplify right side
    6,365.70x = 32,628,108.05
  5. Step 5: Solve for x
    x = 32,628,108.05/6,365.70
  6. Step 6: Final answer
    x = 5,125.61

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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.