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Finding the Fourth Proportional to 3,064.60, 4,596.97 and 873.40

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Solution

The fourth proportional to 3,064.60, 4,596.97 and 873.40 is: 1,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.60 : 4,596.97 = 873.40 : x
  2. Step 2: Convert to fraction form
    3,064.60/4,596.97 = 873.40/x
  3. Step 3: Cross multiply
    3,064.60x = 4,596.97 × 873.40
  4. Step 4: Simplify right side
    3,064.60x = 4,014,993.60
  5. Step 5: Solve for x
    x = 4,014,993.60/3,064.60
  6. Step 6: Final answer
    x = 1,310.12

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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.