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Finding the Fourth Proportional to 32,376.20, 48,575.88 and 12,668.88

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Solution

The fourth proportional to 32,376.20, 48,575.88 and 12,668.88 is: 19,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,376.20 : 48,575.88 = 12,668.88 : x
  2. Step 2: Convert to fraction form
    32,376.20/48,575.88 = 12,668.88/x
  3. Step 3: Cross multiply
    32,376.20x = 48,575.88 × 12,668.88
  4. Step 4: Simplify right side
    32,376.20x = 615,401,994.61
  5. Step 5: Solve for x
    x = 615,401,994.61/32,376.20
  6. Step 6: Final answer
    x = 19,007.85

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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.