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Finding the Fourth Proportional to 7,082.08, 9,770.88 and 4,288.48

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Solution

The fourth proportional to 7,082.08, 9,770.88 and 4,288.48 is: 5,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.08 : 9,770.88 = 4,288.48 : x
  2. Step 2: Convert to fraction form
    7,082.08/9,770.88 = 4,288.48/x
  3. Step 3: Cross multiply
    7,082.08x = 9,770.88 × 4,288.48
  4. Step 4: Simplify right side
    7,082.08x = 41,902,223.46
  5. Step 5: Solve for x
    x = 41,902,223.46/7,082.08
  6. Step 6: Final answer
    x = 5,916.65

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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.