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Finding the Fourth Proportional to 34,859.88, 48,108.47 and 19,755.47

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Solution

The fourth proportional to 34,859.88, 48,108.47 and 19,755.47 is: 27,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.88 : 48,108.47 = 19,755.47 : x
  2. Step 2: Convert to fraction form
    34,859.88/48,108.47 = 19,755.47/x
  3. Step 3: Cross multiply
    34,859.88x = 48,108.47 × 19,755.47
  4. Step 4: Simplify right side
    34,859.88x = 950,405,435.83
  5. Step 5: Solve for x
    x = 950,405,435.83/34,859.88
  6. Step 6: Final answer
    x = 27,263.59

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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.