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Finding the Fourth Proportional to 14,040.76, 19,375.99 and 7,753

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Solution

The fourth proportional to 14,040.76, 19,375.99 and 7,753 is: 10,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.76 : 19,375.99 = 7,753 : x
  2. Step 2: Convert to fraction form
    14,040.76/19,375.99 = 7,753/x
  3. Step 3: Cross multiply
    14,040.76x = 19,375.99 × 7,753
  4. Step 4: Simplify right side
    14,040.76x = 150,222,050.47
  5. Step 5: Solve for x
    x = 150,222,050.47/14,040.76
  6. Step 6: Final answer
    x = 10,699.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.