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Finding the Fourth Proportional to 7,782.00, 10,738.72 and 4,424.35

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Solution

The fourth proportional to 7,782.00, 10,738.72 and 4,424.35 is: 6,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.00 : 10,738.72 = 4,424.35 : x
  2. Step 2: Convert to fraction form
    7,782.00/10,738.72 = 4,424.35/x
  3. Step 3: Cross multiply
    7,782.00x = 10,738.72 × 4,424.35
  4. Step 4: Simplify right side
    7,782.00x = 47,511,780.02
  5. Step 5: Solve for x
    x = 47,511,780.02/7,782.00
  6. Step 6: Final answer
    x = 6,105.35

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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.