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Finding the Fourth Proportional to 32,676.40, 48,979.50 and 12,927.52

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Solution

The fourth proportional to 32,676.40, 48,979.50 and 12,927.52 is: 19,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,676.40 : 48,979.50 = 12,927.52 : x
  2. Step 2: Convert to fraction form
    32,676.40/48,979.50 = 12,927.52/x
  3. Step 3: Cross multiply
    32,676.40x = 48,979.50 × 12,927.52
  4. Step 4: Simplify right side
    32,676.40x = 633,183,465.84
  5. Step 5: Solve for x
    x = 633,183,465.84/32,676.40
  6. Step 6: Final answer
    x = 19,377.39

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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.