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Finding the Fourth Proportional to 4,808.88, 7,213.23 and 1,522.20

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Solution

The fourth proportional to 4,808.88, 7,213.23 and 1,522.20 is: 2,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.88 : 7,213.23 = 1,522.20 : x
  2. Step 2: Convert to fraction form
    4,808.88/7,213.23 = 1,522.20/x
  3. Step 3: Cross multiply
    4,808.88x = 7,213.23 × 1,522.20
  4. Step 4: Simplify right side
    4,808.88x = 10,979,978.71
  5. Step 5: Solve for x
    x = 10,979,978.71/4,808.88
  6. Step 6: Final answer
    x = 2,283.27

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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.