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Finding the Fourth Proportional to 43,344.30, 65,019.87 and 16,703.22

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Solution

The fourth proportional to 43,344.30, 65,019.87 and 16,703.22 is: 25,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,344.30 : 65,019.87 = 16,703.22 : x
  2. Step 2: Convert to fraction form
    43,344.30/65,019.87 = 16,703.22/x
  3. Step 3: Cross multiply
    43,344.30x = 65,019.87 × 16,703.22
  4. Step 4: Simplify right side
    43,344.30x = 1,086,041,192.98
  5. Step 5: Solve for x
    x = 1,086,041,192.98/43,344.30
  6. Step 6: Final answer
    x = 25,056.15

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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.