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Finding the Fourth Proportional to 6,586.84, 9,090.02 and 3,935.79

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Solution

The fourth proportional to 6,586.84, 9,090.02 and 3,935.79 is: 5,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586.84 : 9,090.02 = 3,935.79 : x
  2. Step 2: Convert to fraction form
    6,586.84/9,090.02 = 3,935.79/x
  3. Step 3: Cross multiply
    6,586.84x = 9,090.02 × 3,935.79
  4. Step 4: Simplify right side
    6,586.84x = 35,776,419.66
  5. Step 5: Solve for x
    x = 35,776,419.66/6,586.84
  6. Step 6: Final answer
    x = 5,431.50

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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.