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Finding the Fourth Proportional to 29,620.09, 44,400.12 and 12,764.08

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Solution

The fourth proportional to 29,620.09, 44,400.12 and 12,764.08 is: 19,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.09 : 44,400.12 = 12,764.08 : x
  2. Step 2: Convert to fraction form
    29,620.09/44,400.12 = 12,764.08/x
  3. Step 3: Cross multiply
    29,620.09x = 44,400.12 × 12,764.08
  4. Step 4: Simplify right side
    29,620.09x = 566,726,683.69
  5. Step 5: Solve for x
    x = 566,726,683.69/29,620.09
  6. Step 6: Final answer
    x = 19,133.19

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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.