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Finding the Fourth Proportional to 35,884.60, 49,520.08 and 19,968.90

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Solution

The fourth proportional to 35,884.60, 49,520.08 and 19,968.90 is: 27,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,884.60 : 49,520.08 = 19,968.90 : x
  2. Step 2: Convert to fraction form
    35,884.60/49,520.08 = 19,968.90/x
  3. Step 3: Cross multiply
    35,884.60x = 49,520.08 × 19,968.90
  4. Step 4: Simplify right side
    35,884.60x = 988,861,525.51
  5. Step 5: Solve for x
    x = 988,861,525.51/35,884.60
  6. Step 6: Final answer
    x = 27,556.71

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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.