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Finding the Fourth Proportional to 8,049.61, 12,054.91 and 4,090.45

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Solution

The fourth proportional to 8,049.61, 12,054.91 and 4,090.45 is: 6,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.61 : 12,054.91 = 4,090.45 : x
  2. Step 2: Convert to fraction form
    8,049.61/12,054.91 = 4,090.45/x
  3. Step 3: Cross multiply
    8,049.61x = 12,054.91 × 4,090.45
  4. Step 4: Simplify right side
    8,049.61x = 49,310,006.61
  5. Step 5: Solve for x
    x = 49,310,006.61/8,049.61
  6. Step 6: Final answer
    x = 6,125.76

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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.