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Finding the Fourth Proportional to 8,401.77, 12,602.66 and 3,465.99

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Solution

The fourth proportional to 8,401.77, 12,602.66 and 3,465.99 is: 5,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.77 : 12,602.66 = 3,465.99 : x
  2. Step 2: Convert to fraction form
    8,401.77/12,602.66 = 3,465.99/x
  3. Step 3: Cross multiply
    8,401.77x = 12,602.66 × 3,465.99
  4. Step 4: Simplify right side
    8,401.77x = 43,680,702.20
  5. Step 5: Solve for x
    x = 43,680,702.20/8,401.77
  6. Step 6: Final answer
    x = 5,198.99

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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.