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Finding the Fourth Proportional to 61,755.14, 92,660.37 and 28,457.37

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Solution

The fourth proportional to 61,755.14, 92,660.37 and 28,457.37 is: 42,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,755.14 : 92,660.37 = 28,457.37 : x
  2. Step 2: Convert to fraction form
    61,755.14/92,660.37 = 28,457.37/x
  3. Step 3: Cross multiply
    61,755.14x = 92,660.37 × 28,457.37
  4. Step 4: Simplify right side
    61,755.14x = 2,636,870,433.43
  5. Step 5: Solve for x
    x = 2,636,870,433.43/61,755.14
  6. Step 6: Final answer
    x = 42,698.80

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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.