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Finding the Fourth Proportional to 8,548.80, 11,797.92 and 4,772.64

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Solution

The fourth proportional to 8,548.80, 11,797.92 and 4,772.64 is: 6,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.80 : 11,797.92 = 4,772.64 : x
  2. Step 2: Convert to fraction form
    8,548.80/11,797.92 = 4,772.64/x
  3. Step 3: Cross multiply
    8,548.80x = 11,797.92 × 4,772.64
  4. Step 4: Simplify right side
    8,548.80x = 56,307,224.91
  5. Step 5: Solve for x
    x = 56,307,224.91/8,548.80
  6. Step 6: Final answer
    x = 6,586.56

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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.