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Finding the Fourth Proportional to 8,851.80, 13,277.70 and 6,346.20

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Solution

The fourth proportional to 8,851.80, 13,277.70 and 6,346.20 is: 9,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.80 : 13,277.70 = 6,346.20 : x
  2. Step 2: Convert to fraction form
    8,851.80/13,277.70 = 6,346.20/x
  3. Step 3: Cross multiply
    8,851.80x = 13,277.70 × 6,346.20
  4. Step 4: Simplify right side
    8,851.80x = 84,262,939.74
  5. Step 5: Solve for x
    x = 84,262,939.74/8,851.80
  6. Step 6: Final answer
    x = 9,519.30

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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.