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Finding the Fourth Proportional to 8,878.92, 13,316.54 and 4,196.94

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Solution

The fourth proportional to 8,878.92, 13,316.54 and 4,196.94 is: 6,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.92 : 13,316.54 = 4,196.94 : x
  2. Step 2: Convert to fraction form
    8,878.92/13,316.54 = 4,196.94/x
  3. Step 3: Cross multiply
    8,878.92x = 13,316.54 × 4,196.94
  4. Step 4: Simplify right side
    8,878.92x = 55,888,719.39
  5. Step 5: Solve for x
    x = 55,888,719.39/8,878.92
  6. Step 6: Final answer
    x = 6,294.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.