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Finding the Fourth Proportional to 9,652.20, 14,464.80 and 7,681.20

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Solution

The fourth proportional to 9,652.20, 14,464.80 and 7,681.20 is: 11,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,652.20 : 14,464.80 = 7,681.20 : x
  2. Step 2: Convert to fraction form
    9,652.20/14,464.80 = 7,681.20/x
  3. Step 3: Cross multiply
    9,652.20x = 14,464.80 × 7,681.20
  4. Step 4: Simplify right side
    9,652.20x = 111,107,021.76
  5. Step 5: Solve for x
    x = 111,107,021.76/9,652.20
  6. Step 6: Final answer
    x = 11,511.06

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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.