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Finding the Fourth Proportional to 4,844.24, 7,259.97 and 1,920.95

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Solution

The fourth proportional to 4,844.24, 7,259.97 and 1,920.95 is: 2,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,844.24 : 7,259.97 = 1,920.95 : x
  2. Step 2: Convert to fraction form
    4,844.24/7,259.97 = 1,920.95/x
  3. Step 3: Cross multiply
    4,844.24x = 7,259.97 × 1,920.95
  4. Step 4: Simplify right side
    4,844.24x = 13,946,039.37
  5. Step 5: Solve for x
    x = 13,946,039.37/4,844.24
  6. Step 6: Final answer
    x = 2,878.89

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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.