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Finding the Fourth Proportional to 4,896.18, 7,344.36 and 3,928.50

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Solution

The fourth proportional to 4,896.18, 7,344.36 and 3,928.50 is: 5,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896.18 : 7,344.36 = 3,928.50 : x
  2. Step 2: Convert to fraction form
    4,896.18/7,344.36 = 3,928.50/x
  3. Step 3: Cross multiply
    4,896.18x = 7,344.36 × 3,928.50
  4. Step 4: Simplify right side
    4,896.18x = 28,852,318.26
  5. Step 5: Solve for x
    x = 28,852,318.26/4,896.18
  6. Step 6: Final answer
    x = 5,892.82

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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.