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Finding the Fourth Proportional to 8,783.93, 13,175.92 and 3,234.87

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Solution

The fourth proportional to 8,783.93, 13,175.92 and 3,234.87 is: 4,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.93 : 13,175.92 = 3,234.87 : x
  2. Step 2: Convert to fraction form
    8,783.93/13,175.92 = 3,234.87/x
  3. Step 3: Cross multiply
    8,783.93x = 13,175.92 × 3,234.87
  4. Step 4: Simplify right side
    8,783.93x = 42,622,374.18
  5. Step 5: Solve for x
    x = 42,622,374.18/8,783.93
  6. Step 6: Final answer
    x = 4,852.31

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Similar ratio
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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.