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Finding the Fourth Proportional to 8,425.73, 12,634.93 and 4,476.13

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Solution

The fourth proportional to 8,425.73, 12,634.93 and 4,476.13 is: 6,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.73 : 12,634.93 = 4,476.13 : x
  2. Step 2: Convert to fraction form
    8,425.73/12,634.93 = 4,476.13/x
  3. Step 3: Cross multiply
    8,425.73x = 12,634.93 × 4,476.13
  4. Step 4: Simplify right side
    8,425.73x = 56,555,563.23
  5. Step 5: Solve for x
    x = 56,555,563.23/8,425.73
  6. Step 6: Final answer
    x = 6,712.24

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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.