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Finding the Fourth Proportional to 35,830.56, 53,753.64 and 10,872.54

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Solution

The fourth proportional to 35,830.56, 53,753.64 and 10,872.54 is: 16,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,830.56 : 53,753.64 = 10,872.54 : x
  2. Step 2: Convert to fraction form
    35,830.56/53,753.64 = 10,872.54/x
  3. Step 3: Cross multiply
    35,830.56x = 53,753.64 × 10,872.54
  4. Step 4: Simplify right side
    35,830.56x = 584,438,601.05
  5. Step 5: Solve for x
    x = 584,438,601.05/35,830.56
  6. Step 6: Final answer
    x = 16,311.18

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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.