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Finding the Fourth Proportional to 8,893.83, 13,314.83 and 8,556.87

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Solution

The fourth proportional to 8,893.83, 13,314.83 and 8,556.87 is: 12,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.83 : 13,314.83 = 8,556.87 : x
  2. Step 2: Convert to fraction form
    8,893.83/13,314.83 = 8,556.87/x
  3. Step 3: Cross multiply
    8,893.83x = 13,314.83 × 8,556.87
  4. Step 4: Simplify right side
    8,893.83x = 113,933,226.60
  5. Step 5: Solve for x
    x = 113,933,226.60/8,893.83
  6. Step 6: Final answer
    x = 12,810.37

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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.