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Finding the Fourth Proportional to 47,230.40, 70,845.60 and 26,451.20

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Solution

The fourth proportional to 47,230.40, 70,845.60 and 26,451.20 is: 39,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,230.40 : 70,845.60 = 26,451.20 : x
  2. Step 2: Convert to fraction form
    47,230.40/70,845.60 = 26,451.20/x
  3. Step 3: Cross multiply
    47,230.40x = 70,845.60 × 26,451.20
  4. Step 4: Simplify right side
    47,230.40x = 1,873,951,134.72
  5. Step 5: Solve for x
    x = 1,873,951,134.72/47,230.40
  6. Step 6: Final answer
    x = 39,676.80

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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.