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Finding the Fourth Proportional to 29,687.32, 44,526.62 and 11,215

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Solution

The fourth proportional to 29,687.32, 44,526.62 and 11,215 is: 16,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.32 : 44,526.62 = 11,215 : x
  2. Step 2: Convert to fraction form
    29,687.32/44,526.62 = 11,215/x
  3. Step 3: Cross multiply
    29,687.32x = 44,526.62 × 11,215
  4. Step 4: Simplify right side
    29,687.32x = 499,366,043.30
  5. Step 5: Solve for x
    x = 499,366,043.30/29,687.32
  6. Step 6: Final answer
    x = 16,820.85

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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.