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Finding the Fourth Proportional to 8,722.46, 12,036.83 and 4,743.54

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Solution

The fourth proportional to 8,722.46, 12,036.83 and 4,743.54 is: 6,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.46 : 12,036.83 = 4,743.54 : x
  2. Step 2: Convert to fraction form
    8,722.46/12,036.83 = 4,743.54/x
  3. Step 3: Cross multiply
    8,722.46x = 12,036.83 × 4,743.54
  4. Step 4: Simplify right side
    8,722.46x = 57,097,184.58
  5. Step 5: Solve for x
    x = 57,097,184.58/8,722.46
  6. Step 6: Final answer
    x = 6,546.00

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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.