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Finding the Fourth Proportional to 2,454.70, 3,683.61 and 894.55

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Solution

The fourth proportional to 2,454.70, 3,683.61 and 894.55 is: 1,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.70 : 3,683.61 = 894.55 : x
  2. Step 2: Convert to fraction form
    2,454.70/3,683.61 = 894.55/x
  3. Step 3: Cross multiply
    2,454.70x = 3,683.61 × 894.55
  4. Step 4: Simplify right side
    2,454.70x = 3,295,160.76
  5. Step 5: Solve for x
    x = 3,295,160.76/2,454.70
  6. Step 6: Final answer
    x = 1,342.39

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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.