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Finding the Fourth Proportional to 4,879.06, 7,308.87 and 4,537.78

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Solution

The fourth proportional to 4,879.06, 7,308.87 and 4,537.78 is: 6,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.06 : 7,308.87 = 4,537.78 : x
  2. Step 2: Convert to fraction form
    4,879.06/7,308.87 = 4,537.78/x
  3. Step 3: Cross multiply
    4,879.06x = 7,308.87 × 4,537.78
  4. Step 4: Simplify right side
    4,879.06x = 33,166,044.11
  5. Step 5: Solve for x
    x = 33,166,044.11/4,879.06
  6. Step 6: Final answer
    x = 6,797.63

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1.5x scale

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.