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Finding the Fourth Proportional to 44,738.04, 67,128.66 and 19,775.16

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Solution

The fourth proportional to 44,738.04, 67,128.66 and 19,775.16 is: 29,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,738.04 : 67,128.66 = 19,775.16 : x
  2. Step 2: Convert to fraction form
    44,738.04/67,128.66 = 19,775.16/x
  3. Step 3: Cross multiply
    44,738.04x = 67,128.66 × 19,775.16
  4. Step 4: Simplify right side
    44,738.04x = 1,327,479,992.09
  5. Step 5: Solve for x
    x = 1,327,479,992.09/44,738.04
  6. Step 6: Final answer
    x = 29,672.29

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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.