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Finding the Fourth Proportional to 29,640.77, 44,435.40 and 12,099.41

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Solution

The fourth proportional to 29,640.77, 44,435.40 and 12,099.41 is: 18,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.77 : 44,435.40 = 12,099.41 : x
  2. Step 2: Convert to fraction form
    29,640.77/44,435.40 = 12,099.41/x
  3. Step 3: Cross multiply
    29,640.77x = 44,435.40 × 12,099.41
  4. Step 4: Simplify right side
    29,640.77x = 537,642,123.11
  5. Step 5: Solve for x
    x = 537,642,123.11/29,640.77
  6. Step 6: Final answer
    x = 18,138.60

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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.