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Finding the Fourth Proportional to 26,983.74, 40,475.88 and 9,453.99

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Solution

The fourth proportional to 26,983.74, 40,475.88 and 9,453.99 is: 14,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,983.74 : 40,475.88 = 9,453.99 : x
  2. Step 2: Convert to fraction form
    26,983.74/40,475.88 = 9,453.99/x
  3. Step 3: Cross multiply
    26,983.74x = 40,475.88 × 9,453.99
  4. Step 4: Simplify right side
    26,983.74x = 382,658,564.76
  5. Step 5: Solve for x
    x = 382,658,564.76/26,983.74
  6. Step 6: Final answer
    x = 14,181.08

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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.