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Finding the Fourth Proportional to 6,382.86, 8,808.30 and 3,588.36

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Solution

The fourth proportional to 6,382.86, 8,808.30 and 3,588.36 is: 4,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.86 : 8,808.30 = 3,588.36 : x
  2. Step 2: Convert to fraction form
    6,382.86/8,808.30 = 3,588.36/x
  3. Step 3: Cross multiply
    6,382.86x = 8,808.30 × 3,588.36
  4. Step 4: Simplify right side
    6,382.86x = 31,607,351.39
  5. Step 5: Solve for x
    x = 31,607,351.39/6,382.86
  6. Step 6: Final answer
    x = 4,951.91

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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.