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Finding the Fourth Proportional to 4,860.28, 7,288.00 and 1,896.95

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Solution

The fourth proportional to 4,860.28, 7,288.00 and 1,896.95 is: 2,844.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.28 : 7,288.00 = 1,896.95 : x
  2. Step 2: Convert to fraction form
    4,860.28/7,288.00 = 1,896.95/x
  3. Step 3: Cross multiply
    4,860.28x = 7,288.00 × 1,896.95
  4. Step 4: Simplify right side
    4,860.28x = 13,824,962.12
  5. Step 5: Solve for x
    x = 13,824,962.12/4,860.28
  6. Step 6: Final answer
    x = 2,844.48

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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.