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Finding the Fourth Proportional to 4,684.56, 7,027.08 and 1,763.28

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Solution

The fourth proportional to 4,684.56, 7,027.08 and 1,763.28 is: 2,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.56 : 7,027.08 = 1,763.28 : x
  2. Step 2: Convert to fraction form
    4,684.56/7,027.08 = 1,763.28/x
  3. Step 3: Cross multiply
    4,684.56x = 7,027.08 × 1,763.28
  4. Step 4: Simplify right side
    4,684.56x = 12,390,709.62
  5. Step 5: Solve for x
    x = 12,390,709.62/4,684.56
  6. Step 6: Final answer
    x = 2,645.01

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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.