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Finding the Fourth Proportional to 7,135.31, 10,703.00 and 2,518.31

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Solution

The fourth proportional to 7,135.31, 10,703.00 and 2,518.31 is: 3,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.31 : 10,703.00 = 2,518.31 : x
  2. Step 2: Convert to fraction form
    7,135.31/10,703.00 = 2,518.31/x
  3. Step 3: Cross multiply
    7,135.31x = 10,703.00 × 2,518.31
  4. Step 4: Simplify right side
    7,135.31x = 26,953,504.98
  5. Step 5: Solve for x
    x = 26,953,504.98/7,135.31
  6. Step 6: Final answer
    x = 3,777.48

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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.