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Finding the Fourth Proportional to 57,369.60, 86,054.40 and 24,127.20

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Solution

The fourth proportional to 57,369.60, 86,054.40 and 24,127.20 is: 36,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,369.60 : 86,054.40 = 24,127.20 : x
  2. Step 2: Convert to fraction form
    57,369.60/86,054.40 = 24,127.20/x
  3. Step 3: Cross multiply
    57,369.60x = 86,054.40 × 24,127.20
  4. Step 4: Simplify right side
    57,369.60x = 2,076,251,719.68
  5. Step 5: Solve for x
    x = 2,076,251,719.68/57,369.60
  6. Step 6: Final answer
    x = 36,190.80

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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.