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Finding the Fourth Proportional to 61,489.54, 92,237.63 and 19,372.93

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Solution

The fourth proportional to 61,489.54, 92,237.63 and 19,372.93 is: 29,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,489.54 : 92,237.63 = 19,372.93 : x
  2. Step 2: Convert to fraction form
    61,489.54/92,237.63 = 19,372.93/x
  3. Step 3: Cross multiply
    61,489.54x = 92,237.63 × 19,372.93
  4. Step 4: Simplify right side
    61,489.54x = 1,786,913,149.36
  5. Step 5: Solve for x
    x = 1,786,913,149.36/61,489.54
  6. Step 6: Final answer
    x = 29,060.44

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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.