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Finding the Fourth Proportional to 12,552.70, 17,322.98 and 7,517.14

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Solution

The fourth proportional to 12,552.70, 17,322.98 and 7,517.14 is: 10,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.70 : 17,322.98 = 7,517.14 : x
  2. Step 2: Convert to fraction form
    12,552.70/17,322.98 = 7,517.14/x
  3. Step 3: Cross multiply
    12,552.70x = 17,322.98 × 7,517.14
  4. Step 4: Simplify right side
    12,552.70x = 130,219,265.88
  5. Step 5: Solve for x
    x = 130,219,265.88/12,552.70
  6. Step 6: Final answer
    x = 10,373.81

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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.