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Finding the Fourth Proportional to 12,552.78, 17,323.34 and 7,516.00

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Solution

The fourth proportional to 12,552.78, 17,323.34 and 7,516.00 is: 10,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.78 : 17,323.34 = 7,516.00 : x
  2. Step 2: Convert to fraction form
    12,552.78/17,323.34 = 7,516.00/x
  3. Step 3: Cross multiply
    12,552.78x = 17,323.34 × 7,516.00
  4. Step 4: Simplify right side
    12,552.78x = 130,202,198.92
  5. Step 5: Solve for x
    x = 130,202,198.92/12,552.78
  6. Step 6: Final answer
    x = 10,372.38

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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.