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Finding the Fourth Proportional to 2,945.92, 4,418.88 and 1,483.60

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Solution

The fourth proportional to 2,945.92, 4,418.88 and 1,483.60 is: 2,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.92 : 4,418.88 = 1,483.60 : x
  2. Step 2: Convert to fraction form
    2,945.92/4,418.88 = 1,483.60/x
  3. Step 3: Cross multiply
    2,945.92x = 4,418.88 × 1,483.60
  4. Step 4: Simplify right side
    2,945.92x = 6,555,850.37
  5. Step 5: Solve for x
    x = 6,555,850.37/2,945.92
  6. Step 6: Final answer
    x = 2,225.40

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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.