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Finding the Fourth Proportional to 29,357.68, 44,036.88 and 8,581.60

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Solution

The fourth proportional to 29,357.68, 44,036.88 and 8,581.60 is: 12,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,357.68 : 44,036.88 = 8,581.60 : x
  2. Step 2: Convert to fraction form
    29,357.68/44,036.88 = 8,581.60/x
  3. Step 3: Cross multiply
    29,357.68x = 44,036.88 × 8,581.60
  4. Step 4: Simplify right side
    29,357.68x = 377,906,889.41
  5. Step 5: Solve for x
    x = 377,906,889.41/29,357.68
  6. Step 6: Final answer
    x = 12,872.51

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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.