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Finding the Fourth Proportional to 5,174.60, 7,710.48 and 4,923.54

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Solution

The fourth proportional to 5,174.60, 7,710.48 and 4,923.54 is: 7,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.60 : 7,710.48 = 4,923.54 : x
  2. Step 2: Convert to fraction form
    5,174.60/7,710.48 = 4,923.54/x
  3. Step 3: Cross multiply
    5,174.60x = 7,710.48 × 4,923.54
  4. Step 4: Simplify right side
    5,174.60x = 37,962,856.70
  5. Step 5: Solve for x
    x = 37,962,856.70/5,174.60
  6. Step 6: Final answer
    x = 7,336.39

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.