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Finding the Fourth Proportional to 8,548.68, 11,796.96 and 5,558.87

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Solution

The fourth proportional to 8,548.68, 11,796.96 and 5,558.87 is: 7,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.68 : 11,796.96 = 5,558.87 : x
  2. Step 2: Convert to fraction form
    8,548.68/11,796.96 = 5,558.87/x
  3. Step 3: Cross multiply
    8,548.68x = 11,796.96 × 5,558.87
  4. Step 4: Simplify right side
    8,548.68x = 65,577,796.53
  5. Step 5: Solve for x
    x = 65,577,796.53/8,548.68
  6. Step 6: Final answer
    x = 7,671.10

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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.