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Finding the Fourth Proportional to 34,892.40, 48,150.97 and 18,976.48

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Solution

The fourth proportional to 34,892.40, 48,150.97 and 18,976.48 is: 26,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.40 : 48,150.97 = 18,976.48 : x
  2. Step 2: Convert to fraction form
    34,892.40/48,150.97 = 18,976.48/x
  3. Step 3: Cross multiply
    34,892.40x = 48,150.97 × 18,976.48
  4. Step 4: Simplify right side
    34,892.40x = 913,735,919.19
  5. Step 5: Solve for x
    x = 913,735,919.19/34,892.40
  6. Step 6: Final answer
    x = 26,187.25

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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.