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Finding the Fourth Proportional to 5,608.89, 8,409.41 and 4,028.58

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Solution

The fourth proportional to 5,608.89, 8,409.41 and 4,028.58 is: 6,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.89 : 8,409.41 = 4,028.58 : x
  2. Step 2: Convert to fraction form
    5,608.89/8,409.41 = 4,028.58/x
  3. Step 3: Cross multiply
    5,608.89x = 8,409.41 × 4,028.58
  4. Step 4: Simplify right side
    5,608.89x = 33,877,960.79
  5. Step 5: Solve for x
    x = 33,877,960.79/5,608.89
  6. Step 6: Final answer
    x = 6,040.05

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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.