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Finding the Fourth Proportional to 8,300.56, 12,454.34 and 3,368.92

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Solution

The fourth proportional to 8,300.56, 12,454.34 and 3,368.92 is: 5,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.56 : 12,454.34 = 3,368.92 : x
  2. Step 2: Convert to fraction form
    8,300.56/12,454.34 = 3,368.92/x
  3. Step 3: Cross multiply
    8,300.56x = 12,454.34 × 3,368.92
  4. Step 4: Simplify right side
    8,300.56x = 41,957,675.11
  5. Step 5: Solve for x
    x = 41,957,675.11/8,300.56
  6. Step 6: Final answer
    x = 5,054.80

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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.