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Finding the Fourth Proportional to 6,315.83, 8,716.34 and 3,483.46

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Solution

The fourth proportional to 6,315.83, 8,716.34 and 3,483.46 is: 4,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.83 : 8,716.34 = 3,483.46 : x
  2. Step 2: Convert to fraction form
    6,315.83/8,716.34 = 3,483.46/x
  3. Step 3: Cross multiply
    6,315.83x = 8,716.34 × 3,483.46
  4. Step 4: Simplify right side
    6,315.83x = 30,363,021.74
  5. Step 5: Solve for x
    x = 30,363,021.74/6,315.83
  6. Step 6: Final answer
    x = 4,807.45

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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.