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Finding the Fourth Proportional to 6,273.65, 8,657.70 and 3,620.54

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Solution

The fourth proportional to 6,273.65, 8,657.70 and 3,620.54 is: 4,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,273.65 : 8,657.70 = 3,620.54 : x
  2. Step 2: Convert to fraction form
    6,273.65/8,657.70 = 3,620.54/x
  3. Step 3: Cross multiply
    6,273.65x = 8,657.70 × 3,620.54
  4. Step 4: Simplify right side
    6,273.65x = 31,345,549.16
  5. Step 5: Solve for x
    x = 31,345,549.16/6,273.65
  6. Step 6: Final answer
    x = 4,996.38

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1.5x scale

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.