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Finding the Fourth Proportional to 4,514.81, 6,772.21 and 2,964.60

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Solution

The fourth proportional to 4,514.81, 6,772.21 and 2,964.60 is: 4,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,514.81 : 6,772.21 = 2,964.60 : x
  2. Step 2: Convert to fraction form
    4,514.81/6,772.21 = 2,964.60/x
  3. Step 3: Cross multiply
    4,514.81x = 6,772.21 × 2,964.60
  4. Step 4: Simplify right side
    4,514.81x = 20,076,886.35
  5. Step 5: Solve for x
    x = 20,076,886.35/4,514.81
  6. Step 6: Final answer
    x = 4,446.90

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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.