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Finding the Fourth Proportional to 2,698.38, 4,047.39 and 967.06

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Solution

The fourth proportional to 2,698.38, 4,047.39 and 967.06 is: 1,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.38 : 4,047.39 = 967.06 : x
  2. Step 2: Convert to fraction form
    2,698.38/4,047.39 = 967.06/x
  3. Step 3: Cross multiply
    2,698.38x = 4,047.39 × 967.06
  4. Step 4: Simplify right side
    2,698.38x = 3,914,068.97
  5. Step 5: Solve for x
    x = 3,914,068.97/2,698.38
  6. Step 6: Final answer
    x = 1,450.53

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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.