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Finding the Fourth Proportional to 2,965.04, 4,447.50 and 885.05

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Solution

The fourth proportional to 2,965.04, 4,447.50 and 885.05 is: 1,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.04 : 4,447.50 = 885.05 : x
  2. Step 2: Convert to fraction form
    2,965.04/4,447.50 = 885.05/x
  3. Step 3: Cross multiply
    2,965.04x = 4,447.50 × 885.05
  4. Step 4: Simplify right side
    2,965.04x = 3,936,237.64
  5. Step 5: Solve for x
    x = 3,936,237.64/2,965.04
  6. Step 6: Final answer
    x = 1,327.55

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Double scale
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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.