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Finding the Fourth Proportional to 8,548.40, 11,796.48 and 4,961.84

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Solution

The fourth proportional to 8,548.40, 11,796.48 and 4,961.84 is: 6,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.40 : 11,796.48 = 4,961.84 : x
  2. Step 2: Convert to fraction form
    8,548.40/11,796.48 = 4,961.84/x
  3. Step 3: Cross multiply
    8,548.40x = 11,796.48 × 4,961.84
  4. Step 4: Simplify right side
    8,548.40x = 58,532,246.32
  5. Step 5: Solve for x
    x = 58,532,246.32/8,548.40
  6. Step 6: Final answer
    x = 6,847.16

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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.