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Finding the Fourth Proportional to 8,832.15, 13,252.86 and 3,905.19

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Solution

The fourth proportional to 8,832.15, 13,252.86 and 3,905.19 is: 5,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.15 : 13,252.86 = 3,905.19 : x
  2. Step 2: Convert to fraction form
    8,832.15/13,252.86 = 3,905.19/x
  3. Step 3: Cross multiply
    8,832.15x = 13,252.86 × 3,905.19
  4. Step 4: Simplify right side
    8,832.15x = 51,754,936.34
  5. Step 5: Solve for x
    x = 51,754,936.34/8,832.15
  6. Step 6: Final answer
    x = 5,859.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.