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Finding the Fourth Proportional to 21,751.60, 32,626.94 and 6,960.52

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Solution

The fourth proportional to 21,751.60, 32,626.94 and 6,960.52 is: 10,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.60 : 32,626.94 = 6,960.52 : x
  2. Step 2: Convert to fraction form
    21,751.60/32,626.94 = 6,960.52/x
  3. Step 3: Cross multiply
    21,751.60x = 32,626.94 × 6,960.52
  4. Step 4: Simplify right side
    21,751.60x = 227,100,270.47
  5. Step 5: Solve for x
    x = 227,100,270.47/21,751.60
  6. Step 6: Final answer
    x = 10,440.63

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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.