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Finding the Fourth Proportional to 6,990.76, 10,484.70 and 3,092.68

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Solution

The fourth proportional to 6,990.76, 10,484.70 and 3,092.68 is: 4,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.76 : 10,484.70 = 3,092.68 : x
  2. Step 2: Convert to fraction form
    6,990.76/10,484.70 = 3,092.68/x
  3. Step 3: Cross multiply
    6,990.76x = 10,484.70 × 3,092.68
  4. Step 4: Simplify right side
    6,990.76x = 32,425,822.00
  5. Step 5: Solve for x
    x = 32,425,822.00/6,990.76
  6. Step 6: Final answer
    x = 4,638.38

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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.