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Finding the Fourth Proportional to 48,704.70, 72,999.45 and 25,319.10

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Solution

The fourth proportional to 48,704.70, 72,999.45 and 25,319.10 is: 37,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,704.70 : 72,999.45 = 25,319.10 : x
  2. Step 2: Convert to fraction form
    48,704.70/72,999.45 = 25,319.10/x
  3. Step 3: Cross multiply
    48,704.70x = 72,999.45 × 25,319.10
  4. Step 4: Simplify right side
    48,704.70x = 1,848,280,374.50
  5. Step 5: Solve for x
    x = 1,848,280,374.50/48,704.70
  6. Step 6: Final answer
    x = 37,948.71

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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.