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Finding the Fourth Proportional to 48,791.70, 73,187.55 and 25,415.10

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Solution

The fourth proportional to 48,791.70, 73,187.55 and 25,415.10 is: 38,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,791.70 : 73,187.55 = 25,415.10 : x
  2. Step 2: Convert to fraction form
    48,791.70/73,187.55 = 25,415.10/x
  3. Step 3: Cross multiply
    48,791.70x = 73,187.55 × 25,415.10
  4. Step 4: Simplify right side
    48,791.70x = 1,860,068,902.01
  5. Step 5: Solve for x
    x = 1,860,068,902.01/48,791.70
  6. Step 6: Final answer
    x = 38,122.65

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1.5x scale

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.