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Finding the Fourth Proportional to 8,444.81, 11,653.81 and 4,718.81

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Solution

The fourth proportional to 8,444.81, 11,653.81 and 4,718.81 is: 6,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.81 : 11,653.81 = 4,718.81 : x
  2. Step 2: Convert to fraction form
    8,444.81/11,653.81 = 4,718.81/x
  3. Step 3: Cross multiply
    8,444.81x = 11,653.81 × 4,718.81
  4. Step 4: Simplify right side
    8,444.81x = 54,992,115.17
  5. Step 5: Solve for x
    x = 54,992,115.17/8,444.81
  6. Step 6: Final answer
    x = 6,511.94

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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.