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Finding the Fourth Proportional to 47,489.77, 71,245.46 and 25,291.45

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Solution

The fourth proportional to 47,489.77, 71,245.46 and 25,291.45 is: 37,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,489.77 : 71,245.46 = 25,291.45 : x
  2. Step 2: Convert to fraction form
    47,489.77/71,245.46 = 25,291.45/x
  3. Step 3: Cross multiply
    47,489.77x = 71,245.46 × 25,291.45
  4. Step 4: Simplify right side
    47,489.77x = 1,801,900,989.32
  5. Step 5: Solve for x
    x = 1,801,900,989.32/47,489.77
  6. Step 6: Final answer
    x = 37,942.93

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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.