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Finding the Fourth Proportional to 29,410.70, 44,121.51 and 9,690.64

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Solution

The fourth proportional to 29,410.70, 44,121.51 and 9,690.64 is: 14,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,410.70 : 44,121.51 = 9,690.64 : x
  2. Step 2: Convert to fraction form
    29,410.70/44,121.51 = 9,690.64/x
  3. Step 3: Cross multiply
    29,410.70x = 44,121.51 × 9,690.64
  4. Step 4: Simplify right side
    29,410.70x = 427,565,559.36
  5. Step 5: Solve for x
    x = 427,565,559.36/29,410.70
  6. Step 6: Final answer
    x = 14,537.76

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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.