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Finding the Fourth Proportional to 61,487.66, 92,234.82 and 19,371.06

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Solution

The fourth proportional to 61,487.66, 92,234.82 and 19,371.06 is: 29,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,487.66 : 92,234.82 = 19,371.06 : x
  2. Step 2: Convert to fraction form
    61,487.66/92,234.82 = 19,371.06/x
  3. Step 3: Cross multiply
    61,487.66x = 92,234.82 × 19,371.06
  4. Step 4: Simplify right side
    61,487.66x = 1,786,686,232.31
  5. Step 5: Solve for x
    x = 1,786,686,232.31/61,487.66
  6. Step 6: Final answer
    x = 29,057.64

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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.