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Finding the Fourth Proportional to 6,259.82, 8,638.47 and 3,465.32

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Solution

The fourth proportional to 6,259.82, 8,638.47 and 3,465.32 is: 4,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.82 : 8,638.47 = 3,465.32 : x
  2. Step 2: Convert to fraction form
    6,259.82/8,638.47 = 3,465.32/x
  3. Step 3: Cross multiply
    6,259.82x = 8,638.47 × 3,465.32
  4. Step 4: Simplify right side
    6,259.82x = 29,935,019.67
  5. Step 5: Solve for x
    x = 29,935,019.67/6,259.82
  6. Step 6: Final answer
    x = 4,782.09

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