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Finding the Fourth Proportional to 8,105.67, 12,140.28 and 6,029.24

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Solution

The fourth proportional to 8,105.67, 12,140.28 and 6,029.24 is: 9,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.67 : 12,140.28 = 6,029.24 : x
  2. Step 2: Convert to fraction form
    8,105.67/12,140.28 = 6,029.24/x
  3. Step 3: Cross multiply
    8,105.67x = 12,140.28 × 6,029.24
  4. Step 4: Simplify right side
    8,105.67x = 73,196,601.09
  5. Step 5: Solve for x
    x = 73,196,601.09/8,105.67
  6. Step 6: Final answer
    x = 9,030.30

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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.