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Finding the Fourth Proportional to 34,811.88, 48,039.90 and 18,896.94

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Solution

The fourth proportional to 34,811.88, 48,039.90 and 18,896.94 is: 26,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,811.88 : 48,039.90 = 18,896.94 : x
  2. Step 2: Convert to fraction form
    34,811.88/48,039.90 = 18,896.94/x
  3. Step 3: Cross multiply
    34,811.88x = 48,039.90 × 18,896.94
  4. Step 4: Simplify right side
    34,811.88x = 907,807,107.91
  5. Step 5: Solve for x
    x = 907,807,107.91/34,811.88
  6. Step 6: Final answer
    x = 26,077.51

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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.