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Finding the Fourth Proportional to 4,724.75, 7,087.14 and 1,604.63

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Solution

The fourth proportional to 4,724.75, 7,087.14 and 1,604.63 is: 2,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.75 : 7,087.14 = 1,604.63 : x
  2. Step 2: Convert to fraction form
    4,724.75/7,087.14 = 1,604.63/x
  3. Step 3: Cross multiply
    4,724.75x = 7,087.14 × 1,604.63
  4. Step 4: Simplify right side
    4,724.75x = 11,372,255.18
  5. Step 5: Solve for x
    x = 11,372,255.18/4,724.75
  6. Step 6: Final answer
    x = 2,406.95

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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.