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Finding the Fourth Proportional to 8,597.22, 11,860.62 and 5,611.98

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Solution

The fourth proportional to 8,597.22, 11,860.62 and 5,611.98 is: 7,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.22 : 11,860.62 = 5,611.98 : x
  2. Step 2: Convert to fraction form
    8,597.22/11,860.62 = 5,611.98/x
  3. Step 3: Cross multiply
    8,597.22x = 11,860.62 × 5,611.98
  4. Step 4: Simplify right side
    8,597.22x = 66,561,562.23
  5. Step 5: Solve for x
    x = 66,561,562.23/8,597.22
  6. Step 6: Final answer
    x = 7,742.22

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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.