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Finding the Fourth Proportional to 8,713.79, 12,025.15 and 4,734.97

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Solution

The fourth proportional to 8,713.79, 12,025.15 and 4,734.97 is: 6,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.79 : 12,025.15 = 4,734.97 : x
  2. Step 2: Convert to fraction form
    8,713.79/12,025.15 = 4,734.97/x
  3. Step 3: Cross multiply
    8,713.79x = 12,025.15 × 4,734.97
  4. Step 4: Simplify right side
    8,713.79x = 56,938,724.50
  5. Step 5: Solve for x
    x = 56,938,724.50/8,713.79
  6. Step 6: Final answer
    x = 6,534.32

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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.