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Finding the Fourth Proportional to 8,023.59, 11,072.59 and 4,486.80

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Solution

The fourth proportional to 8,023.59, 11,072.59 and 4,486.80 is: 6,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,023.59 : 11,072.59 = 4,486.80 : x
  2. Step 2: Convert to fraction form
    8,023.59/11,072.59 = 4,486.80/x
  3. Step 3: Cross multiply
    8,023.59x = 11,072.59 × 4,486.80
  4. Step 4: Simplify right side
    8,023.59x = 49,680,485.60
  5. Step 5: Solve for x
    x = 49,680,485.60/8,023.59
  6. Step 6: Final answer
    x = 6,191.80

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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.