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Finding the Fourth Proportional to 30,599.57, 42,227.22 and 17,170.82

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Solution

The fourth proportional to 30,599.57, 42,227.22 and 17,170.82 is: 23,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.57 : 42,227.22 = 17,170.82 : x
  2. Step 2: Convert to fraction form
    30,599.57/42,227.22 = 17,170.82/x
  3. Step 3: Cross multiply
    30,599.57x = 42,227.22 × 17,170.82
  4. Step 4: Simplify right side
    30,599.57x = 725,076,005.33
  5. Step 5: Solve for x
    x = 725,076,005.33/30,599.57
  6. Step 6: Final answer
    x = 23,695.63

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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.