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Finding the Fourth Proportional to 2,662.08, 3,670.88 and 1,764.48

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Solution

The fourth proportional to 2,662.08, 3,670.88 and 1,764.48 is: 2,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662.08 : 3,670.88 = 1,764.48 : x
  2. Step 2: Convert to fraction form
    2,662.08/3,670.88 = 1,764.48/x
  3. Step 3: Cross multiply
    2,662.08x = 3,670.88 × 1,764.48
  4. Step 4: Simplify right side
    2,662.08x = 6,477,194.34
  5. Step 5: Solve for x
    x = 6,477,194.34/2,662.08
  6. Step 6: Final answer
    x = 2,433.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.