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Finding the Fourth Proportional to 7,995.85, 11,995.09 and 2,448.63

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Solution

The fourth proportional to 7,995.85, 11,995.09 and 2,448.63 is: 3,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.85 : 11,995.09 = 2,448.63 : x
  2. Step 2: Convert to fraction form
    7,995.85/11,995.09 = 2,448.63/x
  3. Step 3: Cross multiply
    7,995.85x = 11,995.09 × 2,448.63
  4. Step 4: Simplify right side
    7,995.85x = 29,371,531.11
  5. Step 5: Solve for x
    x = 29,371,531.11/7,995.85
  6. Step 6: Final answer
    x = 3,673.35

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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.