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Finding the Fourth Proportional to 34,940.97, 48,213.63 and 19,828.80

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Solution

The fourth proportional to 34,940.97, 48,213.63 and 19,828.80 is: 27,360.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,940.97 : 48,213.63 = 19,828.80 : x
  2. Step 2: Convert to fraction form
    34,940.97/48,213.63 = 19,828.80/x
  3. Step 3: Cross multiply
    34,940.97x = 48,213.63 × 19,828.80
  4. Step 4: Simplify right side
    34,940.97x = 956,018,426.54
  5. Step 5: Solve for x
    x = 956,018,426.54/34,940.97
  6. Step 6: Final answer
    x = 27,360.96

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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.