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Finding the Fourth Proportional to 35,651.74, 49,199.79 and 19,736.47

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Solution

The fourth proportional to 35,651.74, 49,199.79 and 19,736.47 is: 27,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,651.74 : 49,199.79 = 19,736.47 : x
  2. Step 2: Convert to fraction form
    35,651.74/49,199.79 = 19,736.47/x
  3. Step 3: Cross multiply
    35,651.74x = 49,199.79 × 19,736.47
  4. Step 4: Simplify right side
    35,651.74x = 971,030,179.34
  5. Step 5: Solve for x
    x = 971,030,179.34/35,651.74
  6. Step 6: Final answer
    x = 27,236.54

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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.