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Finding the Fourth Proportional to 57,605.48, 86,420.28 and 24,325.64

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Solution

The fourth proportional to 57,605.48, 86,420.28 and 24,325.64 is: 36,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,605.48 : 86,420.28 = 24,325.64 : x
  2. Step 2: Convert to fraction form
    57,605.48/86,420.28 = 24,325.64/x
  3. Step 3: Cross multiply
    57,605.48x = 86,420.28 × 24,325.64
  4. Step 4: Simplify right side
    57,605.48x = 2,102,228,619.98
  5. Step 5: Solve for x
    x = 2,102,228,619.98/57,605.48
  6. Step 6: Final answer
    x = 36,493.55

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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.