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Finding the Fourth Proportional to 8,473.76, 11,694.02 and 4,645.61

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Solution

The fourth proportional to 8,473.76, 11,694.02 and 4,645.61 is: 6,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.76 : 11,694.02 = 4,645.61 : x
  2. Step 2: Convert to fraction form
    8,473.76/11,694.02 = 4,645.61/x
  3. Step 3: Cross multiply
    8,473.76x = 11,694.02 × 4,645.61
  4. Step 4: Simplify right side
    8,473.76x = 54,325,774.55
  5. Step 5: Solve for x
    x = 54,325,774.55/8,473.76
  6. Step 6: Final answer
    x = 6,411.06

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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.