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Finding the Fourth Proportional to 17,636.94, 26,455.13 and 7,106.71

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Solution

The fourth proportional to 17,636.94, 26,455.13 and 7,106.71 is: 10,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.94 : 26,455.13 = 7,106.71 : x
  2. Step 2: Convert to fraction form
    17,636.94/26,455.13 = 7,106.71/x
  3. Step 3: Cross multiply
    17,636.94x = 26,455.13 × 7,106.71
  4. Step 4: Simplify right side
    17,636.94x = 188,008,835.25
  5. Step 5: Solve for x
    x = 188,008,835.25/17,636.94
  6. Step 6: Final answer
    x = 10,659.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.