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Finding the Fourth Proportional to 29,974.68, 44,924.76 and 12,426.84

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Solution

The fourth proportional to 29,974.68, 44,924.76 and 12,426.84 is: 18,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,974.68 : 44,924.76 = 12,426.84 : x
  2. Step 2: Convert to fraction form
    29,974.68/44,924.76 = 12,426.84/x
  3. Step 3: Cross multiply
    29,974.68x = 44,924.76 × 12,426.84
  4. Step 4: Simplify right side
    29,974.68x = 558,272,804.56
  5. Step 5: Solve for x
    x = 558,272,804.56/29,974.68
  6. Step 6: Final answer
    x = 18,624.81

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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.