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Finding the Fourth Proportional to 34,790.93, 48,008.31 and 19,684.97

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Solution

The fourth proportional to 34,790.93, 48,008.31 and 19,684.97 is: 27,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,790.93 : 48,008.31 = 19,684.97 : x
  2. Step 2: Convert to fraction form
    34,790.93/48,008.31 = 19,684.97/x
  3. Step 3: Cross multiply
    34,790.93x = 48,008.31 × 19,684.97
  4. Step 4: Simplify right side
    34,790.93x = 945,042,142.10
  5. Step 5: Solve for x
    x = 945,042,142.10/34,790.93
  6. Step 6: Final answer
    x = 27,163.46

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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.