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Finding the Fourth Proportional to 34,907.79, 48,170.13 and 19,796.97

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Solution

The fourth proportional to 34,907.79, 48,170.13 and 19,796.97 is: 27,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,907.79 : 48,170.13 = 19,796.97 : x
  2. Step 2: Convert to fraction form
    34,907.79/48,170.13 = 19,796.97/x
  3. Step 3: Cross multiply
    34,907.79x = 48,170.13 × 19,796.97
  4. Step 4: Simplify right side
    34,907.79x = 953,622,618.51
  5. Step 5: Solve for x
    x = 953,622,618.51/34,907.79
  6. Step 6: Final answer
    x = 27,318.33

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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.