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Finding the Fourth Proportional to 48,644.10, 72,912.15 and 19,052.10

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Solution

The fourth proportional to 48,644.10, 72,912.15 and 19,052.10 is: 28,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,644.10 : 72,912.15 = 19,052.10 : x
  2. Step 2: Convert to fraction form
    48,644.10/72,912.15 = 19,052.10/x
  3. Step 3: Cross multiply
    48,644.10x = 72,912.15 × 19,052.10
  4. Step 4: Simplify right side
    48,644.10x = 1,389,129,573.02
  5. Step 5: Solve for x
    x = 1,389,129,573.02/48,644.10
  6. Step 6: Final answer
    x = 28,557.00

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Why These Related Problems?

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