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Finding the Fourth Proportional to 12,626.92, 17,425.38 and 7,037.32

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Solution

The fourth proportional to 12,626.92, 17,425.38 and 7,037.32 is: 9,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.92 : 17,425.38 = 7,037.32 : x
  2. Step 2: Convert to fraction form
    12,626.92/17,425.38 = 7,037.32/x
  3. Step 3: Cross multiply
    12,626.92x = 17,425.38 × 7,037.32
  4. Step 4: Simplify right side
    12,626.92x = 122,627,975.18
  5. Step 5: Solve for x
    x = 122,627,975.18/12,626.92
  6. Step 6: Final answer
    x = 9,711.63

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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.