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Finding the Fourth Proportional to 34,859.85, 48,106.46 and 19,755.39

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Solution

The fourth proportional to 34,859.85, 48,106.46 and 19,755.39 is: 27,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.85 : 48,106.46 = 19,755.39 : x
  2. Step 2: Convert to fraction form
    34,859.85/48,106.46 = 19,755.39/x
  3. Step 3: Cross multiply
    34,859.85x = 48,106.46 × 19,755.39
  4. Step 4: Simplify right side
    34,859.85x = 950,361,780.04
  5. Step 5: Solve for x
    x = 950,361,780.04/34,859.85
  6. Step 6: Final answer
    x = 27,262.36

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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.