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Finding the Fourth Proportional to 47,358.44, 71,049.20 and 15,768.44

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Solution

The fourth proportional to 47,358.44, 71,049.20 and 15,768.44 is: 23,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,358.44 : 71,049.20 = 15,768.44 : x
  2. Step 2: Convert to fraction form
    47,358.44/71,049.20 = 15,768.44/x
  3. Step 3: Cross multiply
    47,358.44x = 71,049.20 × 15,768.44
  4. Step 4: Simplify right side
    47,358.44x = 1,120,335,047.25
  5. Step 5: Solve for x
    x = 1,120,335,047.25/47,358.44
  6. Step 6: Final answer
    x = 23,656.50

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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.