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Finding the Fourth Proportional to 53,807.60, 80,700.60 and 25,727.60

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Solution

The fourth proportional to 53,807.60, 80,700.60 and 25,727.60 is: 38,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,807.60 : 80,700.60 = 25,727.60 : x
  2. Step 2: Convert to fraction form
    53,807.60/80,700.60 = 25,727.60/x
  3. Step 3: Cross multiply
    53,807.60x = 80,700.60 × 25,727.60
  4. Step 4: Simplify right side
    53,807.60x = 2,076,232,756.56
  5. Step 5: Solve for x
    x = 2,076,232,756.56/53,807.60
  6. Step 6: Final answer
    x = 38,586.24

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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.