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Finding the Fourth Proportional to 6,148.89, 8,484.87 and 3,790.59

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Solution

The fourth proportional to 6,148.89, 8,484.87 and 3,790.59 is: 5,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.89 : 8,484.87 = 3,790.59 : x
  2. Step 2: Convert to fraction form
    6,148.89/8,484.87 = 3,790.59/x
  3. Step 3: Cross multiply
    6,148.89x = 8,484.87 × 3,790.59
  4. Step 4: Simplify right side
    6,148.89x = 32,162,663.37
  5. Step 5: Solve for x
    x = 32,162,663.37/6,148.89
  6. Step 6: Final answer
    x = 5,230.65

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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.