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Finding the Fourth Proportional to 12,554.57, 17,325.22 and 6,965.57

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Solution

The fourth proportional to 12,554.57, 17,325.22 and 6,965.57 is: 9,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.57 : 17,325.22 = 6,965.57 : x
  2. Step 2: Convert to fraction form
    12,554.57/17,325.22 = 6,965.57/x
  3. Step 3: Cross multiply
    12,554.57x = 17,325.22 × 6,965.57
  4. Step 4: Simplify right side
    12,554.57x = 120,680,032.68
  5. Step 5: Solve for x
    x = 120,680,032.68/12,554.57
  6. Step 6: Final answer
    x = 9,612.44

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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.