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Finding the Fourth Proportional to 7,250.80, 10,006.06 and 4,107.12

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Solution

The fourth proportional to 7,250.80, 10,006.06 and 4,107.12 is: 5,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.80 : 10,006.06 = 4,107.12 : x
  2. Step 2: Convert to fraction form
    7,250.80/10,006.06 = 4,107.12/x
  3. Step 3: Cross multiply
    7,250.80x = 10,006.06 × 4,107.12
  4. Step 4: Simplify right side
    7,250.80x = 41,096,089.15
  5. Step 5: Solve for x
    x = 41,096,089.15/7,250.80
  6. Step 6: Final answer
    x = 5,667.80

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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.