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Finding the Fourth Proportional to 1,255.14, 1,883.10 and 995.26

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Solution

The fourth proportional to 1,255.14, 1,883.10 and 995.26 is: 1,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.14 : 1,883.10 = 995.26 : x
  2. Step 2: Convert to fraction form
    1,255.14/1,883.10 = 995.26/x
  3. Step 3: Cross multiply
    1,255.14x = 1,883.10 × 995.26
  4. Step 4: Simplify right side
    1,255.14x = 1,874,174.11
  5. Step 5: Solve for x
    x = 1,874,174.11/1,255.14
  6. Step 6: Final answer
    x = 1,493.20

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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.