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Finding the Fourth Proportional to 83,779.58, 125,758.89 and 33,892.28

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Solution

The fourth proportional to 83,779.58, 125,758.89 and 33,892.28 is: 50,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,779.58 : 125,758.89 = 33,892.28 : x
  2. Step 2: Convert to fraction form
    83,779.58/125,758.89 = 33,892.28/x
  3. Step 3: Cross multiply
    83,779.58x = 125,758.89 × 33,892.28
  4. Step 4: Simplify right side
    83,779.58x = 4,262,255,512.37
  5. Step 5: Solve for x
    x = 4,262,255,512.37/83,779.58
  6. Step 6: Final answer
    x = 50,874.64

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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.