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Finding the Fourth Proportional to 1,649.96, 2,277.04 and 941.88

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Solution

The fourth proportional to 1,649.96, 2,277.04 and 941.88 is: 1,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.96 : 2,277.04 = 941.88 : x
  2. Step 2: Convert to fraction form
    1,649.96/2,277.04 = 941.88/x
  3. Step 3: Cross multiply
    1,649.96x = 2,277.04 × 941.88
  4. Step 4: Simplify right side
    1,649.96x = 2,144,698.44
  5. Step 5: Solve for x
    x = 2,144,698.44/1,649.96
  6. Step 6: Final answer
    x = 1,299.85

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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.