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Finding the Fourth Proportional to 7,906.99, 11,851.36 and 2,973.49

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Solution

The fourth proportional to 7,906.99, 11,851.36 and 2,973.49 is: 4,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.99 : 11,851.36 = 2,973.49 : x
  2. Step 2: Convert to fraction form
    7,906.99/11,851.36 = 2,973.49/x
  3. Step 3: Cross multiply
    7,906.99x = 11,851.36 × 2,973.49
  4. Step 4: Simplify right side
    7,906.99x = 35,239,900.45
  5. Step 5: Solve for x
    x = 35,239,900.45/7,906.99
  6. Step 6: Final answer
    x = 4,456.80

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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.