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Finding the Fourth Proportional to 12,554.70, 17,326.03 and 7,517.96

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Solution

The fourth proportional to 12,554.70, 17,326.03 and 7,517.96 is: 10,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.70 : 17,326.03 = 7,517.96 : x
  2. Step 2: Convert to fraction form
    12,554.70/17,326.03 = 7,517.96/x
  3. Step 3: Cross multiply
    12,554.70x = 17,326.03 × 7,517.96
  4. Step 4: Simplify right side
    12,554.70x = 130,256,425.02
  5. Step 5: Solve for x
    x = 130,256,425.02/12,554.70
  6. Step 6: Final answer
    x = 10,375.11

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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.