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Finding the Fourth Proportional to 58,667.76, 80,931.96 and 41,910.48

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Solution

The fourth proportional to 58,667.76, 80,931.96 and 41,910.48 is: 57,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,667.76 : 80,931.96 = 41,910.48 : x
  2. Step 2: Convert to fraction form
    58,667.76/80,931.96 = 41,910.48/x
  3. Step 3: Cross multiply
    58,667.76x = 80,931.96 × 41,910.48
  4. Step 4: Simplify right side
    58,667.76x = 3,391,897,290.94
  5. Step 5: Solve for x
    x = 3,391,897,290.94/58,667.76
  6. Step 6: Final answer
    x = 57,815.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.