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Finding the Fourth Proportional to 12,553.70, 17,324.65 and 7,516.96

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Solution

The fourth proportional to 12,553.70, 17,324.65 and 7,516.96 is: 10,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.70 : 17,324.65 = 7,516.96 : x
  2. Step 2: Convert to fraction form
    12,553.70/17,324.65 = 7,516.96/x
  3. Step 3: Cross multiply
    12,553.70x = 17,324.65 × 7,516.96
  4. Step 4: Simplify right side
    12,553.70x = 130,228,701.06
  5. Step 5: Solve for x
    x = 130,228,701.06/12,553.70
  6. Step 6: Final answer
    x = 10,373.73

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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.