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Finding the Fourth Proportional to 12,027.60, 16,598.12 and 6,722.60

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Solution

The fourth proportional to 12,027.60, 16,598.12 and 6,722.60 is: 9,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.60 : 16,598.12 = 6,722.60 : x
  2. Step 2: Convert to fraction form
    12,027.60/16,598.12 = 6,722.60/x
  3. Step 3: Cross multiply
    12,027.60x = 16,598.12 × 6,722.60
  4. Step 4: Simplify right side
    12,027.60x = 111,582,404.91
  5. Step 5: Solve for x
    x = 111,582,404.91/12,027.60
  6. Step 6: Final answer
    x = 9,277.20

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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.