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Finding the Fourth Proportional to 11,772.40, 17,649.60 and 5,933.20

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Solution

The fourth proportional to 11,772.40, 17,649.60 and 5,933.20 is: 8,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.40 : 17,649.60 = 5,933.20 : x
  2. Step 2: Convert to fraction form
    11,772.40/17,649.60 = 5,933.20/x
  3. Step 3: Cross multiply
    11,772.40x = 17,649.60 × 5,933.20
  4. Step 4: Simplify right side
    11,772.40x = 104,718,606.72
  5. Step 5: Solve for x
    x = 104,718,606.72/11,772.40
  6. Step 6: Final answer
    x = 8,895.26

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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.