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Finding the Fourth Proportional to 48,245.76, 66,582.72 and 32,336.64

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Solution

The fourth proportional to 48,245.76, 66,582.72 and 32,336.64 is: 44,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,245.76 : 66,582.72 = 32,336.64 : x
  2. Step 2: Convert to fraction form
    48,245.76/66,582.72 = 32,336.64/x
  3. Step 3: Cross multiply
    48,245.76x = 66,582.72 × 32,336.64
  4. Step 4: Simplify right side
    48,245.76x = 2,153,061,446.86
  5. Step 5: Solve for x
    x = 2,153,061,446.86/48,245.76
  6. Step 6: Final answer
    x = 44,626.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.