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Finding the Fourth Proportional to 4,643.88, 6,965.62 and 1,181.08

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Solution

The fourth proportional to 4,643.88, 6,965.62 and 1,181.08 is: 1,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.88 : 6,965.62 = 1,181.08 : x
  2. Step 2: Convert to fraction form
    4,643.88/6,965.62 = 1,181.08/x
  3. Step 3: Cross multiply
    4,643.88x = 6,965.62 × 1,181.08
  4. Step 4: Simplify right side
    4,643.88x = 8,226,954.47
  5. Step 5: Solve for x
    x = 8,226,954.47/4,643.88
  6. Step 6: Final answer
    x = 1,771.57

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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.