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Finding the Fourth Proportional to 8,677.93, 13,014.94 and 3,993.44

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Solution

The fourth proportional to 8,677.93, 13,014.94 and 3,993.44 is: 5,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.93 : 13,014.94 = 3,993.44 : x
  2. Step 2: Convert to fraction form
    8,677.93/13,014.94 = 3,993.44/x
  3. Step 3: Cross multiply
    8,677.93x = 13,014.94 × 3,993.44
  4. Step 4: Simplify right side
    8,677.93x = 51,974,381.99
  5. Step 5: Solve for x
    x = 51,974,381.99/8,677.93
  6. Step 6: Final answer
    x = 5,989.26

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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.