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Finding the Fourth Proportional to 43,840.76, 65,744.99 and 15,753.30

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Solution

The fourth proportional to 43,840.76, 65,744.99 and 15,753.30 is: 23,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,840.76 : 65,744.99 = 15,753.30 : x
  2. Step 2: Convert to fraction form
    43,840.76/65,744.99 = 15,753.30/x
  3. Step 3: Cross multiply
    43,840.76x = 65,744.99 × 15,753.30
  4. Step 4: Simplify right side
    43,840.76x = 1,035,700,550.97
  5. Step 5: Solve for x
    x = 1,035,700,550.97/43,840.76
  6. Step 6: Final answer
    x = 23,624.15

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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.