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Finding the Fourth Proportional to 4,573.59, 6,860.67 and 1,976.50

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Solution

The fourth proportional to 4,573.59, 6,860.67 and 1,976.50 is: 2,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,573.59 : 6,860.67 = 1,976.50 : x
  2. Step 2: Convert to fraction form
    4,573.59/6,860.67 = 1,976.50/x
  3. Step 3: Cross multiply
    4,573.59x = 6,860.67 × 1,976.50
  4. Step 4: Simplify right side
    4,573.59x = 13,560,114.26
  5. Step 5: Solve for x
    x = 13,560,114.26/4,573.59
  6. Step 6: Final answer
    x = 2,964.87

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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.