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Finding the Fourth Proportional to 35,900.97, 49,544.96 and 19,986.42

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Solution

The fourth proportional to 35,900.97, 49,544.96 and 19,986.42 is: 27,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,900.97 : 49,544.96 = 19,986.42 : x
  2. Step 2: Convert to fraction form
    35,900.97/49,544.96 = 19,986.42/x
  3. Step 3: Cross multiply
    35,900.97x = 49,544.96 × 19,986.42
  4. Step 4: Simplify right side
    35,900.97x = 990,226,379.44
  5. Step 5: Solve for x
    x = 990,226,379.44/35,900.97
  6. Step 6: Final answer
    x = 27,582.16

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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.