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Finding the Fourth Proportional to 29,685.72, 44,529.30 and 9,964.92

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Solution

The fourth proportional to 29,685.72, 44,529.30 and 9,964.92 is: 14,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,685.72 : 44,529.30 = 9,964.92 : x
  2. Step 2: Convert to fraction form
    29,685.72/44,529.30 = 9,964.92/x
  3. Step 3: Cross multiply
    29,685.72x = 44,529.30 × 9,964.92
  4. Step 4: Simplify right side
    29,685.72x = 443,730,912.16
  5. Step 5: Solve for x
    x = 443,730,912.16/29,685.72
  6. Step 6: Final answer
    x = 14,947.62

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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.