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Finding the Fourth Proportional to 12,473.58, 17,212.97 and 6,808.57

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Solution

The fourth proportional to 12,473.58, 17,212.97 and 6,808.57 is: 9,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.58 : 17,212.97 = 6,808.57 : x
  2. Step 2: Convert to fraction form
    12,473.58/17,212.97 = 6,808.57/x
  3. Step 3: Cross multiply
    12,473.58x = 17,212.97 × 6,808.57
  4. Step 4: Simplify right side
    12,473.58x = 117,195,711.15
  5. Step 5: Solve for x
    x = 117,195,711.15/12,473.58
  6. Step 6: Final answer
    x = 9,395.52

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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.