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Finding the Fourth Proportional to 6,322.36, 9,484.64 and 1,939.36

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Solution

The fourth proportional to 6,322.36, 9,484.64 and 1,939.36 is: 2,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.36 : 9,484.64 = 1,939.36 : x
  2. Step 2: Convert to fraction form
    6,322.36/9,484.64 = 1,939.36/x
  3. Step 3: Cross multiply
    6,322.36x = 9,484.64 × 1,939.36
  4. Step 4: Simplify right side
    6,322.36x = 18,394,131.43
  5. Step 5: Solve for x
    x = 18,394,131.43/6,322.36
  6. Step 6: Final answer
    x = 2,909.38

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1.5x scale

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.