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Finding the Fourth Proportional to 4,636.22, 6,396.99 and 2,748.40

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Solution

The fourth proportional to 4,636.22, 6,396.99 and 2,748.40 is: 3,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.22 : 6,396.99 = 2,748.40 : x
  2. Step 2: Convert to fraction form
    4,636.22/6,396.99 = 2,748.40/x
  3. Step 3: Cross multiply
    4,636.22x = 6,396.99 × 2,748.40
  4. Step 4: Simplify right side
    4,636.22x = 17,581,487.32
  5. Step 5: Solve for x
    x = 17,581,487.32/4,636.22
  6. Step 6: Final answer
    x = 3,792.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.