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Finding the Fourth Proportional to 63,626.31, 87,825.87 and 36,779.67

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Solution

The fourth proportional to 63,626.31, 87,825.87 and 36,779.67 is: 50,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,626.31 : 87,825.87 = 36,779.67 : x
  2. Step 2: Convert to fraction form
    63,626.31/87,825.87 = 36,779.67/x
  3. Step 3: Cross multiply
    63,626.31x = 87,825.87 × 36,779.67
  4. Step 4: Simplify right side
    63,626.31x = 3,230,206,516.06
  5. Step 5: Solve for x
    x = 3,230,206,516.06/63,626.31
  6. Step 6: Final answer
    x = 50,768.41

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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.