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Finding the Fourth Proportional to 32,511.79, 48,757.96 and 16,920.91

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Solution

The fourth proportional to 32,511.79, 48,757.96 and 16,920.91 is: 25,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,511.79 : 48,757.96 = 16,920.91 : x
  2. Step 2: Convert to fraction form
    32,511.79/48,757.96 = 16,920.91/x
  3. Step 3: Cross multiply
    32,511.79x = 48,757.96 × 16,920.91
  4. Step 4: Simplify right side
    32,511.79x = 825,028,888.75
  5. Step 5: Solve for x
    x = 825,028,888.75/32,511.79
  6. Step 6: Final answer
    x = 25,376.30

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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.