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Finding the Fourth Proportional to 10,397.98, 14,349.12 and 5,682.22

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Solution

The fourth proportional to 10,397.98, 14,349.12 and 5,682.22 is: 7,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.98 : 14,349.12 = 5,682.22 : x
  2. Step 2: Convert to fraction form
    10,397.98/14,349.12 = 5,682.22/x
  3. Step 3: Cross multiply
    10,397.98x = 14,349.12 × 5,682.22
  4. Step 4: Simplify right side
    10,397.98x = 81,534,856.65
  5. Step 5: Solve for x
    x = 81,534,856.65/10,397.98
  6. Step 6: Final answer
    x = 7,841.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.