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Finding the Fourth Proportional to 5,543.78, 7,635.54 and 4,797.76

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Solution

The fourth proportional to 5,543.78, 7,635.54 and 4,797.76 is: 6,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.78 : 7,635.54 = 4,797.76 : x
  2. Step 2: Convert to fraction form
    5,543.78/7,635.54 = 4,797.76/x
  3. Step 3: Cross multiply
    5,543.78x = 7,635.54 × 4,797.76
  4. Step 4: Simplify right side
    5,543.78x = 36,633,488.39
  5. Step 5: Solve for x
    x = 36,633,488.39/5,543.78
  6. Step 6: Final answer
    x = 6,608.03

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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.