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Finding the Fourth Proportional to 6,169.95, 8,659.80 and 6,169.95

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Solution

The fourth proportional to 6,169.95, 8,659.80 and 6,169.95 is: 8,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.95 : 8,659.80 = 6,169.95 : x
  2. Step 2: Convert to fraction form
    6,169.95/8,659.80 = 6,169.95/x
  3. Step 3: Cross multiply
    6,169.95x = 8,659.80 × 6,169.95
  4. Step 4: Simplify right side
    6,169.95x = 53,430,533.01
  5. Step 5: Solve for x
    x = 53,430,533.01/6,169.95
  6. Step 6: Final answer
    x = 8,659.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.