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Finding the Fourth Proportional to 6,453.64, 9,677.64 and 3,681.58

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Solution

The fourth proportional to 6,453.64, 9,677.64 and 3,681.58 is: 5,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.64 : 9,677.64 = 3,681.58 : x
  2. Step 2: Convert to fraction form
    6,453.64/9,677.64 = 3,681.58/x
  3. Step 3: Cross multiply
    6,453.64x = 9,677.64 × 3,681.58
  4. Step 4: Simplify right side
    6,453.64x = 35,629,005.87
  5. Step 5: Solve for x
    x = 35,629,005.87/6,453.64
  6. Step 6: Final answer
    x = 5,520.76

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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.