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Finding the Fourth Proportional to 26,478.96, 39,719.52 and 8,010.96

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Solution

The fourth proportional to 26,478.96, 39,719.52 and 8,010.96 is: 12,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.96 : 39,719.52 = 8,010.96 : x
  2. Step 2: Convert to fraction form
    26,478.96/39,719.52 = 8,010.96/x
  3. Step 3: Cross multiply
    26,478.96x = 39,719.52 × 8,010.96
  4. Step 4: Simplify right side
    26,478.96x = 318,191,485.94
  5. Step 5: Solve for x
    x = 318,191,485.94/26,478.96
  6. Step 6: Final answer
    x = 12,016.77

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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.