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Finding the Fourth Proportional to 6,300.72, 8,695.08 and 4,062.69

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Solution

The fourth proportional to 6,300.72, 8,695.08 and 4,062.69 is: 5,606.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.72 : 8,695.08 = 4,062.69 : x
  2. Step 2: Convert to fraction form
    6,300.72/8,695.08 = 4,062.69/x
  3. Step 3: Cross multiply
    6,300.72x = 8,695.08 × 4,062.69
  4. Step 4: Simplify right side
    6,300.72x = 35,325,414.57
  5. Step 5: Solve for x
    x = 35,325,414.57/6,300.72
  6. Step 6: Final answer
    x = 5,606.57

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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.