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Finding the Fourth Proportional to 10,290.85, 14,201.92 and 5,814.79

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Solution

The fourth proportional to 10,290.85, 14,201.92 and 5,814.79 is: 8,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.85 : 14,201.92 = 5,814.79 : x
  2. Step 2: Convert to fraction form
    10,290.85/14,201.92 = 5,814.79/x
  3. Step 3: Cross multiply
    10,290.85x = 14,201.92 × 5,814.79
  4. Step 4: Simplify right side
    10,290.85x = 82,581,111.39
  5. Step 5: Solve for x
    x = 82,581,111.39/10,290.85
  6. Step 6: Final answer
    x = 8,024.72

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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.