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Finding the Fourth Proportional to 35,881.97, 49,517.11 and 19,967.45

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Solution

The fourth proportional to 35,881.97, 49,517.11 and 19,967.45 is: 27,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,881.97 : 49,517.11 = 19,967.45 : x
  2. Step 2: Convert to fraction form
    35,881.97/49,517.11 = 19,967.45/x
  3. Step 3: Cross multiply
    35,881.97x = 49,517.11 × 19,967.45
  4. Step 4: Simplify right side
    35,881.97x = 988,730,418.07
  5. Step 5: Solve for x
    x = 988,730,418.07/35,881.97
  6. Step 6: Final answer
    x = 27,555.08

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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.