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Finding the Fourth Proportional to 2,944.60, 4,417.10 and 996.95

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Solution

The fourth proportional to 2,944.60, 4,417.10 and 996.95 is: 1,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.60 : 4,417.10 = 996.95 : x
  2. Step 2: Convert to fraction form
    2,944.60/4,417.10 = 996.95/x
  3. Step 3: Cross multiply
    2,944.60x = 4,417.10 × 996.95
  4. Step 4: Simplify right side
    2,944.60x = 4,403,627.85
  5. Step 5: Solve for x
    x = 4,403,627.85/2,944.60
  6. Step 6: Final answer
    x = 1,495.49

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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.