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Finding the Fourth Proportional to 4,750.66, 7,129.86 and 3,365.35

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Solution

The fourth proportional to 4,750.66, 7,129.86 and 3,365.35 is: 5,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.66 : 7,129.86 = 3,365.35 : x
  2. Step 2: Convert to fraction form
    4,750.66/7,129.86 = 3,365.35/x
  3. Step 3: Cross multiply
    4,750.66x = 7,129.86 × 3,365.35
  4. Step 4: Simplify right side
    4,750.66x = 23,994,474.35
  5. Step 5: Solve for x
    x = 23,994,474.35/4,750.66
  6. Step 6: Final answer
    x = 5,050.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.