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Finding the Fourth Proportional to 7,443.75, 11,151.03 and 3,735.03

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Solution

The fourth proportional to 7,443.75, 11,151.03 and 3,735.03 is: 5,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.75 : 11,151.03 = 3,735.03 : x
  2. Step 2: Convert to fraction form
    7,443.75/11,151.03 = 3,735.03/x
  3. Step 3: Cross multiply
    7,443.75x = 11,151.03 × 3,735.03
  4. Step 4: Simplify right side
    7,443.75x = 41,649,431.58
  5. Step 5: Solve for x
    x = 41,649,431.58/7,443.75
  6. Step 6: Final answer
    x = 5,595.22

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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.