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Finding the Fourth Proportional to 61,832.97, 92,673.45 and 28,506.78

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Solution

The fourth proportional to 61,832.97, 92,673.45 and 28,506.78 is: 42,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,832.97 : 92,673.45 = 28,506.78 : x
  2. Step 2: Convert to fraction form
    61,832.97/92,673.45 = 28,506.78/x
  3. Step 3: Cross multiply
    61,832.97x = 92,673.45 × 28,506.78
  4. Step 4: Simplify right side
    61,832.97x = 2,641,821,650.99
  5. Step 5: Solve for x
    x = 2,641,821,650.99/61,832.97
  6. Step 6: Final answer
    x = 42,725.13

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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.