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Finding the Fourth Proportional to 61,666.78, 92,496.92 and 17,296.60

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Solution

The fourth proportional to 61,666.78, 92,496.92 and 17,296.60 is: 25,943.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.78 : 92,496.92 = 17,296.60 : x
  2. Step 2: Convert to fraction form
    61,666.78/92,496.92 = 17,296.60/x
  3. Step 3: Cross multiply
    61,666.78x = 92,496.92 × 17,296.60
  4. Step 4: Simplify right side
    61,666.78x = 1,599,882,226.47
  5. Step 5: Solve for x
    x = 1,599,882,226.47/61,666.78
  6. Step 6: Final answer
    x = 25,943.99

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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.