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Finding the Fourth Proportional to 32,353.72, 48,532.86 and 8,661.22

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Solution

The fourth proportional to 32,353.72, 48,532.86 and 8,661.22 is: 12,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,353.72 : 48,532.86 = 8,661.22 : x
  2. Step 2: Convert to fraction form
    32,353.72/48,532.86 = 8,661.22/x
  3. Step 3: Cross multiply
    32,353.72x = 48,532.86 × 8,661.22
  4. Step 4: Simplify right side
    32,353.72x = 420,353,777.69
  5. Step 5: Solve for x
    x = 420,353,777.69/32,353.72
  6. Step 6: Final answer
    x = 12,992.44

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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.