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Finding the Fourth Proportional to 2,379.60, 3,276.72 and 1,852.56

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Solution

The fourth proportional to 2,379.60, 3,276.72 and 1,852.56 is: 2,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.60 : 3,276.72 = 1,852.56 : x
  2. Step 2: Convert to fraction form
    2,379.60/3,276.72 = 1,852.56/x
  3. Step 3: Cross multiply
    2,379.60x = 3,276.72 × 1,852.56
  4. Step 4: Simplify right side
    2,379.60x = 6,070,320.40
  5. Step 5: Solve for x
    x = 6,070,320.40/2,379.60
  6. Step 6: Final answer
    x = 2,550.98

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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.