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Finding the Fourth Proportional to 4,609.50, 6,915.90 and 2,012.64

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Solution

The fourth proportional to 4,609.50, 6,915.90 and 2,012.64 is: 3,019.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.50 : 6,915.90 = 2,012.64 : x
  2. Step 2: Convert to fraction form
    4,609.50/6,915.90 = 2,012.64/x
  3. Step 3: Cross multiply
    4,609.50x = 6,915.90 × 2,012.64
  4. Step 4: Simplify right side
    4,609.50x = 13,919,216.98
  5. Step 5: Solve for x
    x = 13,919,216.98/4,609.50
  6. Step 6: Final answer
    x = 3,019.68

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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.