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Finding the Fourth Proportional to 8,635.98, 12,953.16 and 2,796.42

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Solution

The fourth proportional to 8,635.98, 12,953.16 and 2,796.42 is: 4,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.98 : 12,953.16 = 2,796.42 : x
  2. Step 2: Convert to fraction form
    8,635.98/12,953.16 = 2,796.42/x
  3. Step 3: Cross multiply
    8,635.98x = 12,953.16 × 2,796.42
  4. Step 4: Simplify right side
    8,635.98x = 36,222,475.69
  5. Step 5: Solve for x
    x = 36,222,475.69/8,635.98
  6. Step 6: Final answer
    x = 4,194.37

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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.