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Finding the Fourth Proportional to 47,676.80, 71,526.77 and 14,394.88

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Solution

The fourth proportional to 47,676.80, 71,526.77 and 14,394.88 is: 21,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.80 : 71,526.77 = 14,394.88 : x
  2. Step 2: Convert to fraction form
    47,676.80/71,526.77 = 14,394.88/x
  3. Step 3: Cross multiply
    47,676.80x = 71,526.77 × 14,394.88
  4. Step 4: Simplify right side
    47,676.80x = 1,029,619,270.94
  5. Step 5: Solve for x
    x = 1,029,619,270.94/47,676.80
  6. Step 6: Final answer
    x = 21,595.81

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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.