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Finding the Fourth Proportional to 5,080.68, 7,623.63 and 3,847.68

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Solution

The fourth proportional to 5,080.68, 7,623.63 and 3,847.68 is: 5,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.68 : 7,623.63 = 3,847.68 : x
  2. Step 2: Convert to fraction form
    5,080.68/7,623.63 = 3,847.68/x
  3. Step 3: Cross multiply
    5,080.68x = 7,623.63 × 3,847.68
  4. Step 4: Simplify right side
    5,080.68x = 29,333,288.68
  5. Step 5: Solve for x
    x = 29,333,288.68/5,080.68
  6. Step 6: Final answer
    x = 5,773.50

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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.