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Finding the Fourth Proportional to 33,779.16, 50,664.18 and 8,820.96

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Solution

The fourth proportional to 33,779.16, 50,664.18 and 8,820.96 is: 13,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,779.16 : 50,664.18 = 8,820.96 : x
  2. Step 2: Convert to fraction form
    33,779.16/50,664.18 = 8,820.96/x
  3. Step 3: Cross multiply
    33,779.16x = 50,664.18 × 8,820.96
  4. Step 4: Simplify right side
    33,779.16x = 446,906,705.21
  5. Step 5: Solve for x
    x = 446,906,705.21/33,779.16
  6. Step 6: Final answer
    x = 13,230.25

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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.