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Finding the Fourth Proportional to 5,889.33, 8,812.98 and 5,118.45

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Solution

The fourth proportional to 5,889.33, 8,812.98 and 5,118.45 is: 7,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.33 : 8,812.98 = 5,118.45 : x
  2. Step 2: Convert to fraction form
    5,889.33/8,812.98 = 5,118.45/x
  3. Step 3: Cross multiply
    5,889.33x = 8,812.98 × 5,118.45
  4. Step 4: Simplify right side
    5,889.33x = 45,108,797.48
  5. Step 5: Solve for x
    x = 45,108,797.48/5,889.33
  6. Step 6: Final answer
    x = 7,659.41

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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.