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Finding the Fourth Proportional to 29,912.88, 44,867.68 and 9,134.76

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Solution

The fourth proportional to 29,912.88, 44,867.68 and 9,134.76 is: 13,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,912.88 : 44,867.68 = 9,134.76 : x
  2. Step 2: Convert to fraction form
    29,912.88/44,867.68 = 9,134.76/x
  3. Step 3: Cross multiply
    29,912.88x = 44,867.68 × 9,134.76
  4. Step 4: Simplify right side
    29,912.88x = 409,855,488.56
  5. Step 5: Solve for x
    x = 409,855,488.56/29,912.88
  6. Step 6: Final answer
    x = 13,701.64

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1.5x scale

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.