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Finding the Fourth Proportional to 44,557.74, 66,835.83 and 17,915.46

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Solution

The fourth proportional to 44,557.74, 66,835.83 and 17,915.46 is: 26,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,557.74 : 66,835.83 = 17,915.46 : x
  2. Step 2: Convert to fraction form
    44,557.74/66,835.83 = 17,915.46/x
  3. Step 3: Cross multiply
    44,557.74x = 66,835.83 × 17,915.46
  4. Step 4: Simplify right side
    44,557.74x = 1,197,394,638.93
  5. Step 5: Solve for x
    x = 1,197,394,638.93/44,557.74
  6. Step 6: Final answer
    x = 26,872.88

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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.