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Finding the Fourth Proportional to 34,892.70, 48,160.74 and 19,794.36

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Solution

The fourth proportional to 34,892.70, 48,160.74 and 19,794.36 is: 27,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.70 : 48,160.74 = 19,794.36 : x
  2. Step 2: Convert to fraction form
    34,892.70/48,160.74 = 19,794.36/x
  3. Step 3: Cross multiply
    34,892.70x = 48,160.74 × 19,794.36
  4. Step 4: Simplify right side
    34,892.70x = 953,311,025.43
  5. Step 5: Solve for x
    x = 953,311,025.43/34,892.70
  6. Step 6: Final answer
    x = 27,321.22

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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.