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Finding the Fourth Proportional to 29,419.70, 44,104.74 and 12,767.19

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Solution

The fourth proportional to 29,419.70, 44,104.74 and 12,767.19 is: 19,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.70 : 44,104.74 = 12,767.19 : x
  2. Step 2: Convert to fraction form
    29,419.70/44,104.74 = 12,767.19/x
  3. Step 3: Cross multiply
    29,419.70x = 44,104.74 × 12,767.19
  4. Step 4: Simplify right side
    29,419.70x = 563,093,382.21
  5. Step 5: Solve for x
    x = 563,093,382.21/29,419.70
  6. Step 6: Final answer
    x = 19,140.01

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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.