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Finding the Fourth Proportional to 16,201.35, 22,357.86 and 8,749.35

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Solution

The fourth proportional to 16,201.35, 22,357.86 and 8,749.35 is: 12,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201.35 : 22,357.86 = 8,749.35 : x
  2. Step 2: Convert to fraction form
    16,201.35/22,357.86 = 8,749.35/x
  3. Step 3: Cross multiply
    16,201.35x = 22,357.86 × 8,749.35
  4. Step 4: Simplify right side
    16,201.35x = 195,616,586.85
  5. Step 5: Solve for x
    x = 195,616,586.85/16,201.35
  6. Step 6: Final answer
    x = 12,074.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.