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Finding the Fourth Proportional to 5,748.72, 8,623.08 and 1,644.72

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Solution

The fourth proportional to 5,748.72, 8,623.08 and 1,644.72 is: 2,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.72 : 8,623.08 = 1,644.72 : x
  2. Step 2: Convert to fraction form
    5,748.72/8,623.08 = 1,644.72/x
  3. Step 3: Cross multiply
    5,748.72x = 8,623.08 × 1,644.72
  4. Step 4: Simplify right side
    5,748.72x = 14,182,552.14
  5. Step 5: Solve for x
    x = 14,182,552.14/5,748.72
  6. Step 6: Final answer
    x = 2,467.08

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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.