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Finding the Fourth Proportional to 8,817.85, 13,231.10 and 3,552.63

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Solution

The fourth proportional to 8,817.85, 13,231.10 and 3,552.63 is: 5,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.85 : 13,231.10 = 3,552.63 : x
  2. Step 2: Convert to fraction form
    8,817.85/13,231.10 = 3,552.63/x
  3. Step 3: Cross multiply
    8,817.85x = 13,231.10 × 3,552.63
  4. Step 4: Simplify right side
    8,817.85x = 47,005,202.79
  5. Step 5: Solve for x
    x = 47,005,202.79/8,817.85
  6. Step 6: Final answer
    x = 5,330.69

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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.