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Finding the Fourth Proportional to 2,626.34, 3,939.52 and 894.97

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Solution

The fourth proportional to 2,626.34, 3,939.52 and 894.97 is: 1,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.34 : 3,939.52 = 894.97 : x
  2. Step 2: Convert to fraction form
    2,626.34/3,939.52 = 894.97/x
  3. Step 3: Cross multiply
    2,626.34x = 3,939.52 × 894.97
  4. Step 4: Simplify right side
    2,626.34x = 3,525,752.21
  5. Step 5: Solve for x
    x = 3,525,752.21/2,626.34
  6. Step 6: Final answer
    x = 1,342.46

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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.