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Finding the Fourth Proportional to 26,693.86, 40,027.20 and 8,918.14

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Solution

The fourth proportional to 26,693.86, 40,027.20 and 8,918.14 is: 13,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.86 : 40,027.20 = 8,918.14 : x
  2. Step 2: Convert to fraction form
    26,693.86/40,027.20 = 8,918.14/x
  3. Step 3: Cross multiply
    26,693.86x = 40,027.20 × 8,918.14
  4. Step 4: Simplify right side
    26,693.86x = 356,968,173.41
  5. Step 5: Solve for x
    x = 356,968,173.41/26,693.86
  6. Step 6: Final answer
    x = 13,372.67

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1.5x scale

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.