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Finding the Fourth Proportional to 4,984.91, 7,477.38 and 4,680.44

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Solution

The fourth proportional to 4,984.91, 7,477.38 and 4,680.44 is: 7,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.91 : 7,477.38 = 4,680.44 : x
  2. Step 2: Convert to fraction form
    4,984.91/7,477.38 = 4,680.44/x
  3. Step 3: Cross multiply
    4,984.91x = 7,477.38 × 4,680.44
  4. Step 4: Simplify right side
    4,984.91x = 34,997,447.14
  5. Step 5: Solve for x
    x = 34,997,447.14/4,984.91
  6. Step 6: Final answer
    x = 7,020.67

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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.