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Finding the Fourth Proportional to 11,577.96, 17,366.96 and 2,812.88

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Solution

The fourth proportional to 11,577.96, 17,366.96 and 2,812.88 is: 4,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.96 : 17,366.96 = 2,812.88 : x
  2. Step 2: Convert to fraction form
    11,577.96/17,366.96 = 2,812.88/x
  3. Step 3: Cross multiply
    11,577.96x = 17,366.96 × 2,812.88
  4. Step 4: Simplify right side
    11,577.96x = 48,851,174.44
  5. Step 5: Solve for x
    x = 48,851,174.44/11,577.96
  6. Step 6: Final answer
    x = 4,219.32

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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.