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Finding the Fourth Proportional to 12,149.33, 16,764.03 and 7,043.00

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Solution

The fourth proportional to 12,149.33, 16,764.03 and 7,043.00 is: 9,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.33 : 16,764.03 = 7,043.00 : x
  2. Step 2: Convert to fraction form
    12,149.33/16,764.03 = 7,043.00/x
  3. Step 3: Cross multiply
    12,149.33x = 16,764.03 × 7,043.00
  4. Step 4: Simplify right side
    12,149.33x = 118,068,979.47
  5. Step 5: Solve for x
    x = 118,068,979.47/12,149.33
  6. Step 6: Final answer
    x = 9,718.15

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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.