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Finding the Fourth Proportional to 37,294.40, 55,951.24 and 13,921.04

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Solution

The fourth proportional to 37,294.40, 55,951.24 and 13,921.04 is: 20,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,294.40 : 55,951.24 = 13,921.04 : x
  2. Step 2: Convert to fraction form
    37,294.40/55,951.24 = 13,921.04/x
  3. Step 3: Cross multiply
    37,294.40x = 55,951.24 × 13,921.04
  4. Step 4: Simplify right side
    37,294.40x = 778,899,450.09
  5. Step 5: Solve for x
    x = 778,899,450.09/37,294.40
  6. Step 6: Final answer
    x = 20,885.16

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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.