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Finding the Fourth Proportional to 61,667.60, 92,496.64 and 17,292

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Solution

The fourth proportional to 61,667.60, 92,496.64 and 17,292 is: 25,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,667.60 : 92,496.64 = 17,292 : x
  2. Step 2: Convert to fraction form
    61,667.60/92,496.64 = 17,292/x
  3. Step 3: Cross multiply
    61,667.60x = 92,496.64 × 17,292
  4. Step 4: Simplify right side
    61,667.60x = 1,599,451,898.88
  5. Step 5: Solve for x
    x = 1,599,451,898.88/61,667.60
  6. Step 6: Final answer
    x = 25,936.67

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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.