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Finding the Fourth Proportional to 21,634.80, 32,453.64 and 7,593.12

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Solution

The fourth proportional to 21,634.80, 32,453.64 and 7,593.12 is: 11,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.80 : 32,453.64 = 7,593.12 : x
  2. Step 2: Convert to fraction form
    21,634.80/32,453.64 = 7,593.12/x
  3. Step 3: Cross multiply
    21,634.80x = 32,453.64 × 7,593.12
  4. Step 4: Simplify right side
    21,634.80x = 246,424,382.96
  5. Step 5: Solve for x
    x = 246,424,382.96/21,634.80
  6. Step 6: Final answer
    x = 11,390.19

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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.