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Finding the Fourth Proportional to 2,946.24, 4,418.88 and 894.24

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Solution

The fourth proportional to 2,946.24, 4,418.88 and 894.24 is: 1,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.24 : 4,418.88 = 894.24 : x
  2. Step 2: Convert to fraction form
    2,946.24/4,418.88 = 894.24/x
  3. Step 3: Cross multiply
    2,946.24x = 4,418.88 × 894.24
  4. Step 4: Simplify right side
    2,946.24x = 3,951,539.25
  5. Step 5: Solve for x
    x = 3,951,539.25/2,946.24
  6. Step 6: Final answer
    x = 1,341.21

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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.