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Finding the Fourth Proportional to 5,644.76, 8,467.14 and 1,749.20

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Solution

The fourth proportional to 5,644.76, 8,467.14 and 1,749.20 is: 2,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.76 : 8,467.14 = 1,749.20 : x
  2. Step 2: Convert to fraction form
    5,644.76/8,467.14 = 1,749.20/x
  3. Step 3: Cross multiply
    5,644.76x = 8,467.14 × 1,749.20
  4. Step 4: Simplify right side
    5,644.76x = 14,810,721.29
  5. Step 5: Solve for x
    x = 14,810,721.29/5,644.76
  6. Step 6: Final answer
    x = 2,623.80

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Similar ratio
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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.