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Finding the Fourth Proportional to 8,315.77, 11,477.25 and 4,958.80

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Solution

The fourth proportional to 8,315.77, 11,477.25 and 4,958.80 is: 6,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.77 : 11,477.25 = 4,958.80 : x
  2. Step 2: Convert to fraction form
    8,315.77/11,477.25 = 4,958.80/x
  3. Step 3: Cross multiply
    8,315.77x = 11,477.25 × 4,958.80
  4. Step 4: Simplify right side
    8,315.77x = 56,913,387.30
  5. Step 5: Solve for x
    x = 56,913,387.30/8,315.77
  6. Step 6: Final answer
    x = 6,844.03

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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.