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Finding the Fourth Proportional to 4,490.54, 6,741.56 and 3,019.22

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Solution

The fourth proportional to 4,490.54, 6,741.56 and 3,019.22 is: 4,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.54 : 6,741.56 = 3,019.22 : x
  2. Step 2: Convert to fraction form
    4,490.54/6,741.56 = 3,019.22/x
  3. Step 3: Cross multiply
    4,490.54x = 6,741.56 × 3,019.22
  4. Step 4: Simplify right side
    4,490.54x = 20,354,237.69
  5. Step 5: Solve for x
    x = 20,354,237.69/4,490.54
  6. Step 6: Final answer
    x = 4,532.69

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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.