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Finding the Fourth Proportional to 35,645.50, 49,189.11 and 19,512.49

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Solution

The fourth proportional to 35,645.50, 49,189.11 and 19,512.49 is: 26,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.50 : 49,189.11 = 19,512.49 : x
  2. Step 2: Convert to fraction form
    35,645.50/49,189.11 = 19,512.49/x
  3. Step 3: Cross multiply
    35,645.50x = 49,189.11 × 19,512.49
  4. Step 4: Simplify right side
    35,645.50x = 959,802,016.98
  5. Step 5: Solve for x
    x = 959,802,016.98/35,645.50
  6. Step 6: Final answer
    x = 26,926.32

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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.