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Finding the Fourth Proportional to 35,858.44, 49,483.95 and 19,942.55

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Solution

The fourth proportional to 35,858.44, 49,483.95 and 19,942.55 is: 27,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.44 : 49,483.95 = 19,942.55 : x
  2. Step 2: Convert to fraction form
    35,858.44/49,483.95 = 19,942.55/x
  3. Step 3: Cross multiply
    35,858.44x = 49,483.95 × 19,942.55
  4. Step 4: Simplify right side
    35,858.44x = 986,836,010.43
  5. Step 5: Solve for x
    x = 986,836,010.43/35,858.44
  6. Step 6: Final answer
    x = 27,520.33

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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.