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Finding the Fourth Proportional to 5,394.95, 8,082.05 and 3,308.87

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Solution

The fourth proportional to 5,394.95, 8,082.05 and 3,308.87 is: 4,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.95 : 8,082.05 = 3,308.87 : x
  2. Step 2: Convert to fraction form
    5,394.95/8,082.05 = 3,308.87/x
  3. Step 3: Cross multiply
    5,394.95x = 8,082.05 × 3,308.87
  4. Step 4: Simplify right side
    5,394.95x = 26,742,395.83
  5. Step 5: Solve for x
    x = 26,742,395.83/5,394.95
  6. Step 6: Final answer
    x = 4,956.94

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Why These Related Problems?

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