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Finding the Fourth Proportional to 3,166.75, 4,741.62 and 2,547.10

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Solution

The fourth proportional to 3,166.75, 4,741.62 and 2,547.10 is: 3,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.75 : 4,741.62 = 2,547.10 : x
  2. Step 2: Convert to fraction form
    3,166.75/4,741.62 = 2,547.10/x
  3. Step 3: Cross multiply
    3,166.75x = 4,741.62 × 2,547.10
  4. Step 4: Simplify right side
    3,166.75x = 12,077,380.30
  5. Step 5: Solve for x
    x = 12,077,380.30/3,166.75
  6. Step 6: Final answer
    x = 3,813.81

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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.