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Finding the Fourth Proportional to 2,967.32, 4,450.80 and 887.34

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Solution

The fourth proportional to 2,967.32, 4,450.80 and 887.34 is: 1,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.32 : 4,450.80 = 887.34 : x
  2. Step 2: Convert to fraction form
    2,967.32/4,450.80 = 887.34/x
  3. Step 3: Cross multiply
    2,967.32x = 4,450.80 × 887.34
  4. Step 4: Simplify right side
    2,967.32x = 3,949,372.87
  5. Step 5: Solve for x
    x = 3,949,372.87/2,967.32
  6. Step 6: Final answer
    x = 1,330.96

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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.