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Finding the Fourth Proportional to 35,951.73, 49,611.15 and 19,818.20

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Solution

The fourth proportional to 35,951.73, 49,611.15 and 19,818.20 is: 27,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,951.73 : 49,611.15 = 19,818.20 : x
  2. Step 2: Convert to fraction form
    35,951.73/49,611.15 = 19,818.20/x
  3. Step 3: Cross multiply
    35,951.73x = 49,611.15 × 19,818.20
  4. Step 4: Simplify right side
    35,951.73x = 983,203,754.11
  5. Step 5: Solve for x
    x = 983,203,754.11/35,951.73
  6. Step 6: Final answer
    x = 27,347.88

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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.