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Finding the Fourth Proportional to 61,658.82, 92,503.89 and 17,285.76

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Solution

The fourth proportional to 61,658.82, 92,503.89 and 17,285.76 is: 25,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,658.82 : 92,503.89 = 17,285.76 : x
  2. Step 2: Convert to fraction form
    61,658.82/92,503.89 = 17,285.76/x
  3. Step 3: Cross multiply
    61,658.82x = 92,503.89 × 17,285.76
  4. Step 4: Simplify right side
    61,658.82x = 1,599,000,041.61
  5. Step 5: Solve for x
    x = 1,599,000,041.61/61,658.82
  6. Step 6: Final answer
    x = 25,933.03

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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.