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Finding the Fourth Proportional to 53,803.60, 80,694.60 and 25,723.60

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Solution

The fourth proportional to 53,803.60, 80,694.60 and 25,723.60 is: 38,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,803.60 : 80,694.60 = 25,723.60 : x
  2. Step 2: Convert to fraction form
    53,803.60/80,694.60 = 25,723.60/x
  3. Step 3: Cross multiply
    53,803.60x = 80,694.60 × 25,723.60
  4. Step 4: Simplify right side
    53,803.60x = 2,075,755,612.56
  5. Step 5: Solve for x
    x = 2,075,755,612.56/53,803.60
  6. Step 6: Final answer
    x = 38,580.24

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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.