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Finding the Fourth Proportional to 4,959.88, 7,430.22 and 3,396.16

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Solution

The fourth proportional to 4,959.88, 7,430.22 and 3,396.16 is: 5,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.88 : 7,430.22 = 3,396.16 : x
  2. Step 2: Convert to fraction form
    4,959.88/7,430.22 = 3,396.16/x
  3. Step 3: Cross multiply
    4,959.88x = 7,430.22 × 3,396.16
  4. Step 4: Simplify right side
    4,959.88x = 25,234,215.96
  5. Step 5: Solve for x
    x = 25,234,215.96/4,959.88
  6. Step 6: Final answer
    x = 5,087.67

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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.