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Finding the Fourth Proportional to 26,471.05, 39,707.65 and 6,750.12

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Solution

The fourth proportional to 26,471.05, 39,707.65 and 6,750.12 is: 10,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.05 : 39,707.65 = 6,750.12 : x
  2. Step 2: Convert to fraction form
    26,471.05/39,707.65 = 6,750.12/x
  3. Step 3: Cross multiply
    26,471.05x = 39,707.65 × 6,750.12
  4. Step 4: Simplify right side
    26,471.05x = 268,031,203.88
  5. Step 5: Solve for x
    x = 268,031,203.88/26,471.05
  6. Step 6: Final answer
    x = 10,125.45

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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.