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Finding the Fourth Proportional to 29,410.60, 44,091.09 and 12,758.10

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Solution

The fourth proportional to 29,410.60, 44,091.09 and 12,758.10 is: 19,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,410.60 : 44,091.09 = 12,758.10 : x
  2. Step 2: Convert to fraction form
    29,410.60/44,091.09 = 12,758.10/x
  3. Step 3: Cross multiply
    29,410.60x = 44,091.09 × 12,758.10
  4. Step 4: Simplify right side
    29,410.60x = 562,518,535.33
  5. Step 5: Solve for x
    x = 562,518,535.33/29,410.60
  6. Step 6: Final answer
    x = 19,126.39

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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.