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Finding the Fourth Proportional to 6,272.28, 8,655.50 and 3,583.64

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Solution

The fourth proportional to 6,272.28, 8,655.50 and 3,583.64 is: 4,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.28 : 8,655.50 = 3,583.64 : x
  2. Step 2: Convert to fraction form
    6,272.28/8,655.50 = 3,583.64/x
  3. Step 3: Cross multiply
    6,272.28x = 8,655.50 × 3,583.64
  4. Step 4: Simplify right side
    6,272.28x = 31,018,134.82
  5. Step 5: Solve for x
    x = 31,018,134.82/6,272.28
  6. Step 6: Final answer
    x = 4,945.27

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1.5x scale

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.