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Finding the Fourth Proportional to 30,348.50, 41,881.31 and 17,602.22

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Solution

The fourth proportional to 30,348.50, 41,881.31 and 17,602.22 is: 24,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.50 : 41,881.31 = 17,602.22 : x
  2. Step 2: Convert to fraction form
    30,348.50/41,881.31 = 17,602.22/x
  3. Step 3: Cross multiply
    30,348.50x = 41,881.31 × 17,602.22
  4. Step 4: Simplify right side
    30,348.50x = 737,203,735.09
  5. Step 5: Solve for x
    x = 737,203,735.09/30,348.50
  6. Step 6: Final answer
    x = 24,291.28

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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.