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Finding the Fourth Proportional to 8,042.80, 12,064.20 and 3,661.51

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Solution

The fourth proportional to 8,042.80, 12,064.20 and 3,661.51 is: 5,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.80 : 12,064.20 = 3,661.51 : x
  2. Step 2: Convert to fraction form
    8,042.80/12,064.20 = 3,661.51/x
  3. Step 3: Cross multiply
    8,042.80x = 12,064.20 × 3,661.51
  4. Step 4: Simplify right side
    8,042.80x = 44,173,188.94
  5. Step 5: Solve for x
    x = 44,173,188.94/8,042.80
  6. Step 6: Final answer
    x = 5,492.27

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Similar ratio
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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.