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Finding the Fourth Proportional to 38,895.50, 58,347.31 and 14,879.76

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Solution

The fourth proportional to 38,895.50, 58,347.31 and 14,879.76 is: 22,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,895.50 : 58,347.31 = 14,879.76 : x
  2. Step 2: Convert to fraction form
    38,895.50/58,347.31 = 14,879.76/x
  3. Step 3: Cross multiply
    38,895.50x = 58,347.31 × 14,879.76
  4. Step 4: Simplify right side
    38,895.50x = 868,193,969.45
  5. Step 5: Solve for x
    x = 868,193,969.45/38,895.50
  6. Step 6: Final answer
    x = 22,321.19

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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.