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Finding the Fourth Proportional to 58,819.20, 88,277.40 and 27,277.80

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Solution

The fourth proportional to 58,819.20, 88,277.40 and 27,277.80 is: 40,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,819.20 : 88,277.40 = 27,277.80 : x
  2. Step 2: Convert to fraction form
    58,819.20/88,277.40 = 27,277.80/x
  3. Step 3: Cross multiply
    58,819.20x = 88,277.40 × 27,277.80
  4. Step 4: Simplify right side
    58,819.20x = 2,408,013,261.72
  5. Step 5: Solve for x
    x = 2,408,013,261.72/58,819.20
  6. Step 6: Final answer
    x = 40,939.24

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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.