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Finding the Fourth Proportional to 8,699.58, 11,993.67 and 5,900.22

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Solution

The fourth proportional to 8,699.58, 11,993.67 and 5,900.22 is: 8,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.58 : 11,993.67 = 5,900.22 : x
  2. Step 2: Convert to fraction form
    8,699.58/11,993.67 = 5,900.22/x
  3. Step 3: Cross multiply
    8,699.58x = 11,993.67 × 5,900.22
  4. Step 4: Simplify right side
    8,699.58x = 70,765,291.61
  5. Step 5: Solve for x
    x = 70,765,291.61/8,699.58
  6. Step 6: Final answer
    x = 8,134.33

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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.