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Finding the Fourth Proportional to 6,246.48, 9,355.14 and 4,939.20

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Solution

The fourth proportional to 6,246.48, 9,355.14 and 4,939.20 is: 7,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.48 : 9,355.14 = 4,939.20 : x
  2. Step 2: Convert to fraction form
    6,246.48/9,355.14 = 4,939.20/x
  3. Step 3: Cross multiply
    6,246.48x = 9,355.14 × 4,939.20
  4. Step 4: Simplify right side
    6,246.48x = 46,206,907.49
  5. Step 5: Solve for x
    x = 46,206,907.49/6,246.48
  6. Step 6: Final answer
    x = 7,397.27

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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.