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Finding the Fourth Proportional to 2,249.66, 3,104.32 and 1,254.92

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Solution

The fourth proportional to 2,249.66, 3,104.32 and 1,254.92 is: 1,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.66 : 3,104.32 = 1,254.92 : x
  2. Step 2: Convert to fraction form
    2,249.66/3,104.32 = 1,254.92/x
  3. Step 3: Cross multiply
    2,249.66x = 3,104.32 × 1,254.92
  4. Step 4: Simplify right side
    2,249.66x = 3,895,673.25
  5. Step 5: Solve for x
    x = 3,895,673.25/2,249.66
  6. Step 6: Final answer
    x = 1,731.67

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,250.66, 3,105.70 and 1,255.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.