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Finding the Fourth Proportional to 1,675.26, 2,514.04 and 854.09

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Solution

The fourth proportional to 1,675.26, 2,514.04 and 854.09 is: 1,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.26 : 2,514.04 = 854.09 : x
  2. Step 2: Convert to fraction form
    1,675.26/2,514.04 = 854.09/x
  3. Step 3: Cross multiply
    1,675.26x = 2,514.04 × 854.09
  4. Step 4: Simplify right side
    1,675.26x = 2,147,225.29
  5. Step 5: Solve for x
    x = 2,147,225.29/1,675.26
  6. Step 6: Final answer
    x = 1,281.73

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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.