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Finding the Fourth Proportional to 44,951.76, 67,442.04 and 21,579.84

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Solution

The fourth proportional to 44,951.76, 67,442.04 and 21,579.84 is: 32,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,951.76 : 67,442.04 = 21,579.84 : x
  2. Step 2: Convert to fraction form
    44,951.76/67,442.04 = 21,579.84/x
  3. Step 3: Cross multiply
    44,951.76x = 67,442.04 × 21,579.84
  4. Step 4: Simplify right side
    44,951.76x = 1,455,388,432.47
  5. Step 5: Solve for x
    x = 1,455,388,432.47/44,951.76
  6. Step 6: Final answer
    x = 32,376.67

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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.