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Finding the Fourth Proportional to 7,975.52, 11,006.28 and 4,829.52

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Solution

The fourth proportional to 7,975.52, 11,006.28 and 4,829.52 is: 6,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.52 : 11,006.28 = 4,829.52 : x
  2. Step 2: Convert to fraction form
    7,975.52/11,006.28 = 4,829.52/x
  3. Step 3: Cross multiply
    7,975.52x = 11,006.28 × 4,829.52
  4. Step 4: Simplify right side
    7,975.52x = 53,155,049.39
  5. Step 5: Solve for x
    x = 53,155,049.39/7,975.52
  6. Step 6: Final answer
    x = 6,664.78

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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.