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Finding the Fourth Proportional to 32,630.18, 48,964.72 and 11,855.30

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Solution

The fourth proportional to 32,630.18, 48,964.72 and 11,855.30 is: 17,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,630.18 : 48,964.72 = 11,855.30 : x
  2. Step 2: Convert to fraction form
    32,630.18/48,964.72 = 11,855.30/x
  3. Step 3: Cross multiply
    32,630.18x = 48,964.72 × 11,855.30
  4. Step 4: Simplify right side
    32,630.18x = 580,491,537.79
  5. Step 5: Solve for x
    x = 580,491,537.79/32,630.18
  6. Step 6: Final answer
    x = 17,790.02

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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.