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Finding the Fourth Proportional to 6,576, 9,075.24 and 3,781.68

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Solution

The fourth proportional to 6,576, 9,075.24 and 3,781.68 is: 5,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,576 : 9,075.24 = 3,781.68 : x
  2. Step 2: Convert to fraction form
    6,576/9,075.24 = 3,781.68/x
  3. Step 3: Cross multiply
    6,576x = 9,075.24 × 3,781.68
  4. Step 4: Simplify right side
    6,576x = 34,319,653.60
  5. Step 5: Solve for x
    x = 34,319,653.60/6,576
  6. Step 6: Final answer
    x = 5,218.93

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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.