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Finding the Fourth Proportional to 16,764.78, 25,147.22 and 6,237.10

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Solution

The fourth proportional to 16,764.78, 25,147.22 and 6,237.10 is: 9,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.78 : 25,147.22 = 6,237.10 : x
  2. Step 2: Convert to fraction form
    16,764.78/25,147.22 = 6,237.10/x
  3. Step 3: Cross multiply
    16,764.78x = 25,147.22 × 6,237.10
  4. Step 4: Simplify right side
    16,764.78x = 156,845,725.86
  5. Step 5: Solve for x
    x = 156,845,725.86/16,764.78
  6. Step 6: Final answer
    x = 9,355.67

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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.