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Finding the Fourth Proportional to 34,894.56, 48,155.77 and 19,993.44

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Solution

The fourth proportional to 34,894.56, 48,155.77 and 19,993.44 is: 27,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,894.56 : 48,155.77 = 19,993.44 : x
  2. Step 2: Convert to fraction form
    34,894.56/48,155.77 = 19,993.44/x
  3. Step 3: Cross multiply
    34,894.56x = 48,155.77 × 19,993.44
  4. Step 4: Simplify right side
    34,894.56x = 962,799,498.15
  5. Step 5: Solve for x
    x = 962,799,498.15/34,894.56
  6. Step 6: Final answer
    x = 27,591.68

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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.