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Finding the Fourth Proportional to 12,297.75, 16,971.08 and 6,708.75

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Solution

The fourth proportional to 12,297.75, 16,971.08 and 6,708.75 is: 9,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.75 : 16,971.08 = 6,708.75 : x
  2. Step 2: Convert to fraction form
    12,297.75/16,971.08 = 6,708.75/x
  3. Step 3: Cross multiply
    12,297.75x = 16,971.08 × 6,708.75
  4. Step 4: Simplify right side
    12,297.75x = 113,854,699.41
  5. Step 5: Solve for x
    x = 113,854,699.41/12,297.75
  6. Step 6: Final answer
    x = 9,258.17

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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.