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Finding the Fourth Proportional to 4,618.94, 6,928.42 and 3,690.14

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Solution

The fourth proportional to 4,618.94, 6,928.42 and 3,690.14 is: 5,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.94 : 6,928.42 = 3,690.14 : x
  2. Step 2: Convert to fraction form
    4,618.94/6,928.42 = 3,690.14/x
  3. Step 3: Cross multiply
    4,618.94x = 6,928.42 × 3,690.14
  4. Step 4: Simplify right side
    4,618.94x = 25,566,886.60
  5. Step 5: Solve for x
    x = 25,566,886.60/4,618.94
  6. Step 6: Final answer
    x = 5,535.23

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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.