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Finding the Fourth Proportional to 67,821.96, 93,590.49 and 37,605.48

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Solution

The fourth proportional to 67,821.96, 93,590.49 and 37,605.48 is: 51,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,821.96 : 93,590.49 = 37,605.48 : x
  2. Step 2: Convert to fraction form
    67,821.96/93,590.49 = 37,605.48/x
  3. Step 3: Cross multiply
    67,821.96x = 93,590.49 × 37,605.48
  4. Step 4: Simplify right side
    67,821.96x = 3,519,515,299.89
  5. Step 5: Solve for x
    x = 3,519,515,299.89/67,821.96
  6. Step 6: Final answer
    x = 51,893.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.