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Finding the Fourth Proportional to 43,373.94, 65,060.01 and 13,791.84

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Solution

The fourth proportional to 43,373.94, 65,060.01 and 13,791.84 is: 20,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,373.94 : 65,060.01 = 13,791.84 : x
  2. Step 2: Convert to fraction form
    43,373.94/65,060.01 = 13,791.84/x
  3. Step 3: Cross multiply
    43,373.94x = 65,060.01 × 13,791.84
  4. Step 4: Simplify right side
    43,373.94x = 897,297,248.32
  5. Step 5: Solve for x
    x = 897,297,248.32/43,373.94
  6. Step 6: Final answer
    x = 20,687.47

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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.