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Finding the Fourth Proportional to 6,020.28, 8,307.84 and 3,368

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Solution

The fourth proportional to 6,020.28, 8,307.84 and 3,368 is: 4,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.28 : 8,307.84 = 3,368 : x
  2. Step 2: Convert to fraction form
    6,020.28/8,307.84 = 3,368/x
  3. Step 3: Cross multiply
    6,020.28x = 8,307.84 × 3,368
  4. Step 4: Simplify right side
    6,020.28x = 27,980,805.12
  5. Step 5: Solve for x
    x = 27,980,805.12/6,020.28
  6. Step 6: Final answer
    x = 4,647.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.