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Finding the Fourth Proportional to 35,340.26, 48,764.84 and 21,906.63

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Solution

The fourth proportional to 35,340.26, 48,764.84 and 21,906.63 is: 30,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.26 : 48,764.84 = 21,906.63 : x
  2. Step 2: Convert to fraction form
    35,340.26/48,764.84 = 21,906.63/x
  3. Step 3: Cross multiply
    35,340.26x = 48,764.84 × 21,906.63
  4. Step 4: Simplify right side
    35,340.26x = 1,068,273,197.36
  5. Step 5: Solve for x
    x = 1,068,273,197.36/35,340.26
  6. Step 6: Final answer
    x = 30,228.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.