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Finding the Fourth Proportional to 2,967.66, 4,450.12 and 887.12

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Solution

The fourth proportional to 2,967.66, 4,450.12 and 887.12 is: 1,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.66 : 4,450.12 = 887.12 : x
  2. Step 2: Convert to fraction form
    2,967.66/4,450.12 = 887.12/x
  3. Step 3: Cross multiply
    2,967.66x = 4,450.12 × 887.12
  4. Step 4: Simplify right side
    2,967.66x = 3,947,790.45
  5. Step 5: Solve for x
    x = 3,947,790.45/2,967.66
  6. Step 6: Final answer
    x = 1,330.27

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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.