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Finding the Fourth Proportional to 21,751.34, 32,626.73 and 6,168.96

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Solution

The fourth proportional to 21,751.34, 32,626.73 and 6,168.96 is: 9,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.34 : 32,626.73 = 6,168.96 : x
  2. Step 2: Convert to fraction form
    21,751.34/32,626.73 = 6,168.96/x
  3. Step 3: Cross multiply
    21,751.34x = 32,626.73 × 6,168.96
  4. Step 4: Simplify right side
    21,751.34x = 201,273,007.72
  5. Step 5: Solve for x
    x = 201,273,007.72/21,751.34
  6. Step 6: Final answer
    x = 9,253.36

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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.