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Finding the Fourth Proportional to 4,984.97, 7,477.15 and 2,063.20

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Solution

The fourth proportional to 4,984.97, 7,477.15 and 2,063.20 is: 3,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.97 : 7,477.15 = 2,063.20 : x
  2. Step 2: Convert to fraction form
    4,984.97/7,477.15 = 2,063.20/x
  3. Step 3: Cross multiply
    4,984.97x = 7,477.15 × 2,063.20
  4. Step 4: Simplify right side
    4,984.97x = 15,426,855.88
  5. Step 5: Solve for x
    x = 15,426,855.88/4,984.97
  6. Step 6: Final answer
    x = 3,094.67

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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.