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Finding the Fourth Proportional to 8,851.08, 13,295.92 and 8,555.84

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Solution

The fourth proportional to 8,851.08, 13,295.92 and 8,555.84 is: 12,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.08 : 13,295.92 = 8,555.84 : x
  2. Step 2: Convert to fraction form
    8,851.08/13,295.92 = 8,555.84/x
  3. Step 3: Cross multiply
    8,851.08x = 13,295.92 × 8,555.84
  4. Step 4: Simplify right side
    8,851.08x = 113,757,764.17
  5. Step 5: Solve for x
    x = 113,757,764.17/8,851.08
  6. Step 6: Final answer
    x = 12,852.42

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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.