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Finding the Fourth Proportional to 6,322.49, 9,476.34 and 4,757.47

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Solution

The fourth proportional to 6,322.49, 9,476.34 and 4,757.47 is: 7,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.49 : 9,476.34 = 4,757.47 : x
  2. Step 2: Convert to fraction form
    6,322.49/9,476.34 = 4,757.47/x
  3. Step 3: Cross multiply
    6,322.49x = 9,476.34 × 4,757.47
  4. Step 4: Simplify right side
    6,322.49x = 45,083,403.26
  5. Step 5: Solve for x
    x = 45,083,403.26/6,322.49
  6. Step 6: Final answer
    x = 7,130.64

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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.