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Finding the Fourth Proportional to 6,258.90, 8,636.70 and 3,740.51

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Solution

The fourth proportional to 6,258.90, 8,636.70 and 3,740.51 is: 5,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.90 : 8,636.70 = 3,740.51 : x
  2. Step 2: Convert to fraction form
    6,258.90/8,636.70 = 3,740.51/x
  3. Step 3: Cross multiply
    6,258.90x = 8,636.70 × 3,740.51
  4. Step 4: Simplify right side
    6,258.90x = 32,305,687.82
  5. Step 5: Solve for x
    x = 32,305,687.82/6,258.90
  6. Step 6: Final answer
    x = 5,161.56

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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.