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Finding the Fourth Proportional to 5,970.81, 8,245.73 and 4,919.01

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Solution

The fourth proportional to 5,970.81, 8,245.73 and 4,919.01 is: 6,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.81 : 8,245.73 = 4,919.01 : x
  2. Step 2: Convert to fraction form
    5,970.81/8,245.73 = 4,919.01/x
  3. Step 3: Cross multiply
    5,970.81x = 8,245.73 × 4,919.01
  4. Step 4: Simplify right side
    5,970.81x = 40,560,782.03
  5. Step 5: Solve for x
    x = 40,560,782.03/5,970.81
  6. Step 6: Final answer
    x = 6,793.17

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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.