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Finding the Fourth Proportional to 38,676.30, 54,015.60 and 38,676.30

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Solution

The fourth proportional to 38,676.30, 54,015.60 and 38,676.30 is: 54,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676.30 : 54,015.60 = 38,676.30 : x
  2. Step 2: Convert to fraction form
    38,676.30/54,015.60 = 38,676.30/x
  3. Step 3: Cross multiply
    38,676.30x = 54,015.60 × 38,676.30
  4. Step 4: Simplify right side
    38,676.30x = 2,089,123,550.28
  5. Step 5: Solve for x
    x = 2,089,123,550.28/38,676.30
  6. Step 6: Final answer
    x = 54,015.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.