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Finding the Fourth Proportional to 21,563.32, 32,344.97 and 5,980.94

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Solution

The fourth proportional to 21,563.32, 32,344.97 and 5,980.94 is: 8,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.32 : 32,344.97 = 5,980.94 : x
  2. Step 2: Convert to fraction form
    21,563.32/32,344.97 = 5,980.94/x
  3. Step 3: Cross multiply
    21,563.32x = 32,344.97 × 5,980.94
  4. Step 4: Simplify right side
    21,563.32x = 193,453,324.87
  5. Step 5: Solve for x
    x = 193,453,324.87/21,563.32
  6. Step 6: Final answer
    x = 8,971.41

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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.