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Finding the Fourth Proportional to 4,860.57, 7,292.69 and 2,914.14

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Solution

The fourth proportional to 4,860.57, 7,292.69 and 2,914.14 is: 4,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.57 : 7,292.69 = 2,914.14 : x
  2. Step 2: Convert to fraction form
    4,860.57/7,292.69 = 2,914.14/x
  3. Step 3: Cross multiply
    4,860.57x = 7,292.69 × 2,914.14
  4. Step 4: Simplify right side
    4,860.57x = 21,251,905.07
  5. Step 5: Solve for x
    x = 21,251,905.07/4,860.57
  6. Step 6: Final answer
    x = 4,372.31

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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.