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Finding the Fourth Proportional to 8,798.11, 13,197.86 and 2,558.22

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Solution

The fourth proportional to 8,798.11, 13,197.86 and 2,558.22 is: 3,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.11 : 13,197.86 = 2,558.22 : x
  2. Step 2: Convert to fraction form
    8,798.11/13,197.86 = 2,558.22/x
  3. Step 3: Cross multiply
    8,798.11x = 13,197.86 × 2,558.22
  4. Step 4: Simplify right side
    8,798.11x = 33,763,029.41
  5. Step 5: Solve for x
    x = 33,763,029.41/8,798.11
  6. Step 6: Final answer
    x = 3,837.53

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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.