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Finding the Fourth Proportional to 35,415.73, 48,874.21 and 19,283.64

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Solution

The fourth proportional to 35,415.73, 48,874.21 and 19,283.64 is: 26,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.73 : 48,874.21 = 19,283.64 : x
  2. Step 2: Convert to fraction form
    35,415.73/48,874.21 = 19,283.64/x
  3. Step 3: Cross multiply
    35,415.73x = 48,874.21 × 19,283.64
  4. Step 4: Simplify right side
    35,415.73x = 942,472,906.05
  5. Step 5: Solve for x
    x = 942,472,906.05/35,415.73
  6. Step 6: Final answer
    x = 26,611.70

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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.