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Finding the Fourth Proportional to 2,714.63, 4,071.94 and 1,175.63

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Solution

The fourth proportional to 2,714.63, 4,071.94 and 1,175.63 is: 1,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.63 : 4,071.94 = 1,175.63 : x
  2. Step 2: Convert to fraction form
    2,714.63/4,071.94 = 1,175.63/x
  3. Step 3: Cross multiply
    2,714.63x = 4,071.94 × 1,175.63
  4. Step 4: Simplify right side
    2,714.63x = 4,787,071.52
  5. Step 5: Solve for x
    x = 4,787,071.52/2,714.63
  6. Step 6: Final answer
    x = 1,763.44

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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.