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Finding the Fourth Proportional to 38,676.75, 58,041.06 and 14,052.75

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Solution

The fourth proportional to 38,676.75, 58,041.06 and 14,052.75 is: 21,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676.75 : 58,041.06 = 14,052.75 : x
  2. Step 2: Convert to fraction form
    38,676.75/58,041.06 = 14,052.75/x
  3. Step 3: Cross multiply
    38,676.75x = 58,041.06 × 14,052.75
  4. Step 4: Simplify right side
    38,676.75x = 815,636,505.92
  5. Step 5: Solve for x
    x = 815,636,505.92/38,676.75
  6. Step 6: Final answer
    x = 21,088.55

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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.