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Finding the Fourth Proportional to 4,647.58, 6,971.36 and 2,310.48

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Solution

The fourth proportional to 4,647.58, 6,971.36 and 2,310.48 is: 3,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.58 : 6,971.36 = 2,310.48 : x
  2. Step 2: Convert to fraction form
    4,647.58/6,971.36 = 2,310.48/x
  3. Step 3: Cross multiply
    4,647.58x = 6,971.36 × 2,310.48
  4. Step 4: Simplify right side
    4,647.58x = 16,107,176.30
  5. Step 5: Solve for x
    x = 16,107,176.30/4,647.58
  6. Step 6: Final answer
    x = 3,465.71

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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.