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Finding the Fourth Proportional to 9,437.98, 14,162.43 and 3,890.29

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Solution

The fourth proportional to 9,437.98, 14,162.43 and 3,890.29 is: 5,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.98 : 14,162.43 = 3,890.29 : x
  2. Step 2: Convert to fraction form
    9,437.98/14,162.43 = 3,890.29/x
  3. Step 3: Cross multiply
    9,437.98x = 14,162.43 × 3,890.29
  4. Step 4: Simplify right side
    9,437.98x = 55,095,959.80
  5. Step 5: Solve for x
    x = 55,095,959.80/9,437.98
  6. Step 6: Final answer
    x = 5,837.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.