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Finding the Fourth Proportional to 2,064.85, 3,095.84 and 1,091.63

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Solution

The fourth proportional to 2,064.85, 3,095.84 and 1,091.63 is: 1,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.85 : 3,095.84 = 1,091.63 : x
  2. Step 2: Convert to fraction form
    2,064.85/3,095.84 = 1,091.63/x
  3. Step 3: Cross multiply
    2,064.85x = 3,095.84 × 1,091.63
  4. Step 4: Simplify right side
    2,064.85x = 3,379,522.29
  5. Step 5: Solve for x
    x = 3,379,522.29/2,064.85
  6. Step 6: Final answer
    x = 1,636.69

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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.