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Finding the Fourth Proportional to 26,659.48, 39,986.46 and 8,888.22

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Solution

The fourth proportional to 26,659.48, 39,986.46 and 8,888.22 is: 13,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.48 : 39,986.46 = 8,888.22 : x
  2. Step 2: Convert to fraction form
    26,659.48/39,986.46 = 8,888.22/x
  3. Step 3: Cross multiply
    26,659.48x = 39,986.46 × 8,888.22
  4. Step 4: Simplify right side
    26,659.48x = 355,408,453.50
  5. Step 5: Solve for x
    x = 355,408,453.50/26,659.48
  6. Step 6: Final answer
    x = 13,331.41

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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.