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Finding the Fourth Proportional to 61,683.88, 92,511.98 and 28,371.94

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Solution

The fourth proportional to 61,683.88, 92,511.98 and 28,371.94 is: 42,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,683.88 : 92,511.98 = 28,371.94 : x
  2. Step 2: Convert to fraction form
    61,683.88/92,511.98 = 28,371.94/x
  3. Step 3: Cross multiply
    61,683.88x = 92,511.98 × 28,371.94
  4. Step 4: Simplify right side
    61,683.88x = 2,624,744,345.84
  5. Step 5: Solve for x
    x = 2,624,744,345.84/61,683.88
  6. Step 6: Final answer
    x = 42,551.54

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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.