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Finding the Fourth Proportional to 42,163.98, 63,245.97 and 14,462.22

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Solution

The fourth proportional to 42,163.98, 63,245.97 and 14,462.22 is: 21,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,163.98 : 63,245.97 = 14,462.22 : x
  2. Step 2: Convert to fraction form
    42,163.98/63,245.97 = 14,462.22/x
  3. Step 3: Cross multiply
    42,163.98x = 63,245.97 × 14,462.22
  4. Step 4: Simplify right side
    42,163.98x = 914,677,132.25
  5. Step 5: Solve for x
    x = 914,677,132.25/42,163.98
  6. Step 6: Final answer
    x = 21,693.33

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Similar ratio
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1.5x scale

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.