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Finding the Fourth Proportional to 61,490.82, 92,227.05 and 17,112.95

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Solution

The fourth proportional to 61,490.82, 92,227.05 and 17,112.95 is: 25,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,490.82 : 92,227.05 = 17,112.95 : x
  2. Step 2: Convert to fraction form
    61,490.82/92,227.05 = 17,112.95/x
  3. Step 3: Cross multiply
    61,490.82x = 92,227.05 × 17,112.95
  4. Step 4: Simplify right side
    61,490.82x = 1,578,276,434.16
  5. Step 5: Solve for x
    x = 1,578,276,434.16/61,490.82
  6. Step 6: Final answer
    x = 25,666.86

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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.