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Finding the Fourth Proportional to 2,915.44, 4,372.15 and 967.19

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Solution

The fourth proportional to 2,915.44, 4,372.15 and 967.19 is: 1,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.44 : 4,372.15 = 967.19 : x
  2. Step 2: Convert to fraction form
    2,915.44/4,372.15 = 967.19/x
  3. Step 3: Cross multiply
    2,915.44x = 4,372.15 × 967.19
  4. Step 4: Simplify right side
    2,915.44x = 4,228,686.41
  5. Step 5: Solve for x
    x = 4,228,686.41/2,915.44
  6. Step 6: Final answer
    x = 1,450.45

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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.