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Finding the Fourth Proportional to 53,633.88, 80,408.82 and 33,870.96

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Solution

The fourth proportional to 53,633.88, 80,408.82 and 33,870.96 is: 50,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,633.88 : 80,408.82 = 33,870.96 : x
  2. Step 2: Convert to fraction form
    53,633.88/80,408.82 = 33,870.96/x
  3. Step 3: Cross multiply
    53,633.88x = 80,408.82 × 33,870.96
  4. Step 4: Simplify right side
    53,633.88x = 2,723,523,925.87
  5. Step 5: Solve for x
    x = 2,723,523,925.87/53,633.88
  6. Step 6: Final answer
    x = 50,779.92

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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.