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Finding the Fourth Proportional to 48,469.57, 72,704.36 and 15,189.63

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Solution

The fourth proportional to 48,469.57, 72,704.36 and 15,189.63 is: 22,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,469.57 : 72,704.36 = 15,189.63 : x
  2. Step 2: Convert to fraction form
    48,469.57/72,704.36 = 15,189.63/x
  3. Step 3: Cross multiply
    48,469.57x = 72,704.36 × 15,189.63
  4. Step 4: Simplify right side
    48,469.57x = 1,104,352,327.79
  5. Step 5: Solve for x
    x = 1,104,352,327.79/48,469.57
  6. Step 6: Final answer
    x = 22,784.45

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Similar ratio
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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.