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Finding the Fourth Proportional to 12,044.64, 16,621.60 and 6,739.46

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Solution

The fourth proportional to 12,044.64, 16,621.60 and 6,739.46 is: 9,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.64 : 16,621.60 = 6,739.46 : x
  2. Step 2: Convert to fraction form
    12,044.64/16,621.60 = 6,739.46/x
  3. Step 3: Cross multiply
    12,044.64x = 16,621.60 × 6,739.46
  4. Step 4: Simplify right side
    12,044.64x = 112,020,608.34
  5. Step 5: Solve for x
    x = 112,020,608.34/12,044.64
  6. Step 6: Final answer
    x = 9,300.45

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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.