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Finding the Fourth Proportional to 6,129.87, 8,459.00 and 3,335.31

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Solution

The fourth proportional to 6,129.87, 8,459.00 and 3,335.31 is: 4,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.87 : 8,459.00 = 3,335.31 : x
  2. Step 2: Convert to fraction form
    6,129.87/8,459.00 = 3,335.31/x
  3. Step 3: Cross multiply
    6,129.87x = 8,459.00 × 3,335.31
  4. Step 4: Simplify right side
    6,129.87x = 28,213,370.61
  5. Step 5: Solve for x
    x = 28,213,370.61/6,129.87
  6. Step 6: Final answer
    x = 4,602.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.