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Finding the Fourth Proportional to 43,688.52, 65,524.41 and 14,099.22

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Solution

The fourth proportional to 43,688.52, 65,524.41 and 14,099.22 is: 21,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,688.52 : 65,524.41 = 14,099.22 : x
  2. Step 2: Convert to fraction form
    43,688.52/65,524.41 = 14,099.22/x
  3. Step 3: Cross multiply
    43,688.52x = 65,524.41 × 14,099.22
  4. Step 4: Simplify right side
    43,688.52x = 923,843,071.96
  5. Step 5: Solve for x
    x = 923,843,071.96/43,688.52
  6. Step 6: Final answer
    x = 21,146.13

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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.