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Finding the Fourth Proportional to 12,009.42, 16,572.24 and 6,704.16

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Solution

The fourth proportional to 12,009.42, 16,572.24 and 6,704.16 is: 9,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.42 : 16,572.24 = 6,704.16 : x
  2. Step 2: Convert to fraction form
    12,009.42/16,572.24 = 6,704.16/x
  3. Step 3: Cross multiply
    12,009.42x = 16,572.24 × 6,704.16
  4. Step 4: Simplify right side
    12,009.42x = 111,102,948.52
  5. Step 5: Solve for x
    x = 111,102,948.52/12,009.42
  6. Step 6: Final answer
    x = 9,251.32

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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.