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Finding the Fourth Proportional to 8,072.04, 12,104.96 and 4,786.04

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Solution

The fourth proportional to 8,072.04, 12,104.96 and 4,786.04 is: 7,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.04 : 12,104.96 = 4,786.04 : x
  2. Step 2: Convert to fraction form
    8,072.04/12,104.96 = 4,786.04/x
  3. Step 3: Cross multiply
    8,072.04x = 12,104.96 × 4,786.04
  4. Step 4: Simplify right side
    8,072.04x = 57,934,822.76
  5. Step 5: Solve for x
    x = 57,934,822.76/8,072.04
  6. Step 6: Final answer
    x = 7,177.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.