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Finding the Fourth Proportional to 34,906.38, 48,167.14 and 19,794.21

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Solution

The fourth proportional to 34,906.38, 48,167.14 and 19,794.21 is: 27,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,906.38 : 48,167.14 = 19,794.21 : x
  2. Step 2: Convert to fraction form
    34,906.38/48,167.14 = 19,794.21/x
  3. Step 3: Cross multiply
    34,906.38x = 48,167.14 × 19,794.21
  4. Step 4: Simplify right side
    34,906.38x = 953,430,484.26
  5. Step 5: Solve for x
    x = 953,430,484.26/34,906.38
  6. Step 6: Final answer
    x = 27,313.93

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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.