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Finding the Fourth Proportional to 53,809.55, 80,714.41 and 25,723.01

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Solution

The fourth proportional to 53,809.55, 80,714.41 and 25,723.01 is: 38,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,809.55 : 80,714.41 = 25,723.01 : x
  2. Step 2: Convert to fraction form
    53,809.55/80,714.41 = 25,723.01/x
  3. Step 3: Cross multiply
    53,809.55x = 80,714.41 × 25,723.01
  4. Step 4: Simplify right side
    53,809.55x = 2,076,217,575.57
  5. Step 5: Solve for x
    x = 2,076,217,575.57/53,809.55
  6. Step 6: Final answer
    x = 38,584.56

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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.