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Finding the Fourth Proportional to 44,436, 66,654.72 and 12,846.48

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Solution

The fourth proportional to 44,436, 66,654.72 and 12,846.48 is: 19,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,436 : 66,654.72 = 12,846.48 : x
  2. Step 2: Convert to fraction form
    44,436/66,654.72 = 12,846.48/x
  3. Step 3: Cross multiply
    44,436x = 66,654.72 × 12,846.48
  4. Step 4: Simplify right side
    44,436x = 856,278,527.39
  5. Step 5: Solve for x
    x = 856,278,527.39/44,436
  6. Step 6: Final answer
    x = 19,269.93

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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.