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Finding the Fourth Proportional to 4,810.63, 7,216.23 and 1,347.88

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Solution

The fourth proportional to 4,810.63, 7,216.23 and 1,347.88 is: 2,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.63 : 7,216.23 = 1,347.88 : x
  2. Step 2: Convert to fraction form
    4,810.63/7,216.23 = 1,347.88/x
  3. Step 3: Cross multiply
    4,810.63x = 7,216.23 × 1,347.88
  4. Step 4: Simplify right side
    4,810.63x = 9,726,612.09
  5. Step 5: Solve for x
    x = 9,726,612.09/4,810.63
  6. Step 6: Final answer
    x = 2,021.90

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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.