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Finding the Fourth Proportional to 6,316.47, 8,716.79 and 3,483.96

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Solution

The fourth proportional to 6,316.47, 8,716.79 and 3,483.96 is: 4,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.47 : 8,716.79 = 3,483.96 : x
  2. Step 2: Convert to fraction form
    6,316.47/8,716.79 = 3,483.96/x
  3. Step 3: Cross multiply
    6,316.47x = 8,716.79 × 3,483.96
  4. Step 4: Simplify right side
    6,316.47x = 30,368,969.48
  5. Step 5: Solve for x
    x = 30,368,969.48/6,316.47
  6. Step 6: Final answer
    x = 4,807.91

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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.