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Finding the Fourth Proportional to 29,737.60, 44,606.40 and 12,198.40

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Solution

The fourth proportional to 29,737.60, 44,606.40 and 12,198.40 is: 18,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,737.60 : 44,606.40 = 12,198.40 : x
  2. Step 2: Convert to fraction form
    29,737.60/44,606.40 = 12,198.40/x
  3. Step 3: Cross multiply
    29,737.60x = 44,606.40 × 12,198.40
  4. Step 4: Simplify right side
    29,737.60x = 544,126,709.76
  5. Step 5: Solve for x
    x = 544,126,709.76/29,737.60
  6. Step 6: Final answer
    x = 18,297.60

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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.