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Finding the Fourth Proportional to 38,050.90, 57,085.72 and 11,755.62

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Solution

The fourth proportional to 38,050.90, 57,085.72 and 11,755.62 is: 17,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,050.90 : 57,085.72 = 11,755.62 : x
  2. Step 2: Convert to fraction form
    38,050.90/57,085.72 = 11,755.62/x
  3. Step 3: Cross multiply
    38,050.90x = 57,085.72 × 11,755.62
  4. Step 4: Simplify right side
    38,050.90x = 671,078,031.75
  5. Step 5: Solve for x
    x = 671,078,031.75/38,050.90
  6. Step 6: Final answer
    x = 17,636.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.