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Finding the Fourth Proportional to 3,466.67, 4,783.91 and 1,974.80

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Solution

The fourth proportional to 3,466.67, 4,783.91 and 1,974.80 is: 2,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.67 : 4,783.91 = 1,974.80 : x
  2. Step 2: Convert to fraction form
    3,466.67/4,783.91 = 1,974.80/x
  3. Step 3: Cross multiply
    3,466.67x = 4,783.91 × 1,974.80
  4. Step 4: Simplify right side
    3,466.67x = 9,447,267.55
  5. Step 5: Solve for x
    x = 9,447,267.55/3,466.67
  6. Step 6: Final answer
    x = 2,725.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.