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Finding the Fourth Proportional to 2,973.99, 4,461.39 and 1,512.39

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Solution

The fourth proportional to 2,973.99, 4,461.39 and 1,512.39 is: 2,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.99 : 4,461.39 = 1,512.39 : x
  2. Step 2: Convert to fraction form
    2,973.99/4,461.39 = 1,512.39/x
  3. Step 3: Cross multiply
    2,973.99x = 4,461.39 × 1,512.39
  4. Step 4: Simplify right side
    2,973.99x = 6,747,361.62
  5. Step 5: Solve for x
    x = 6,747,361.62/2,973.99
  6. Step 6: Final answer
    x = 2,268.79

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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.