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Finding the Fourth Proportional to 53,908.60, 80,852.10 and 25,828.60

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Solution

The fourth proportional to 53,908.60, 80,852.10 and 25,828.60 is: 38,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,908.60 : 80,852.10 = 25,828.60 : x
  2. Step 2: Convert to fraction form
    53,908.60/80,852.10 = 25,828.60/x
  3. Step 3: Cross multiply
    53,908.60x = 80,852.10 × 25,828.60
  4. Step 4: Simplify right side
    53,908.60x = 2,088,296,550.06
  5. Step 5: Solve for x
    x = 2,088,296,550.06/53,908.60
  6. Step 6: Final answer
    x = 38,737.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.