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Finding the Fourth Proportional to 24,558.72, 36,832.96 and 7,920.32

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Solution

The fourth proportional to 24,558.72, 36,832.96 and 7,920.32 is: 11,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,558.72 : 36,832.96 = 7,920.32 : x
  2. Step 2: Convert to fraction form
    24,558.72/36,832.96 = 7,920.32/x
  3. Step 3: Cross multiply
    24,558.72x = 36,832.96 × 7,920.32
  4. Step 4: Simplify right side
    24,558.72x = 291,728,829.75
  5. Step 5: Solve for x
    x = 291,728,829.75/24,558.72
  6. Step 6: Final answer
    x = 11,878.83

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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.