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Finding the Fourth Proportional to 48,093.70, 72,144.65 and 12,559.73

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Solution

The fourth proportional to 48,093.70, 72,144.65 and 12,559.73 is: 18,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,093.70 : 72,144.65 = 12,559.73 : x
  2. Step 2: Convert to fraction form
    48,093.70/72,144.65 = 12,559.73/x
  3. Step 3: Cross multiply
    48,093.70x = 72,144.65 × 12,559.73
  4. Step 4: Simplify right side
    48,093.70x = 906,117,324.94
  5. Step 5: Solve for x
    x = 906,117,324.94/48,093.70
  6. Step 6: Final answer
    x = 18,840.67

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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.