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Finding the Fourth Proportional to 44,005.55, 65,986.46 and 14,015.87

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Solution

The fourth proportional to 44,005.55, 65,986.46 and 14,015.87 is: 21,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,005.55 : 65,986.46 = 14,015.87 : x
  2. Step 2: Convert to fraction form
    44,005.55/65,986.46 = 14,015.87/x
  3. Step 3: Cross multiply
    44,005.55x = 65,986.46 × 14,015.87
  4. Step 4: Simplify right side
    44,005.55x = 924,857,245.11
  5. Step 5: Solve for x
    x = 924,857,245.11/44,005.55
  6. Step 6: Final answer
    x = 21,016.83

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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.