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Finding the Fourth Proportional to 17,668.53, 26,502.39 and 7,280.28

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Solution

The fourth proportional to 17,668.53, 26,502.39 and 7,280.28 is: 10,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.53 : 26,502.39 = 7,280.28 : x
  2. Step 2: Convert to fraction form
    17,668.53/26,502.39 = 7,280.28/x
  3. Step 3: Cross multiply
    17,668.53x = 26,502.39 × 7,280.28
  4. Step 4: Simplify right side
    17,668.53x = 192,944,819.87
  5. Step 5: Solve for x
    x = 192,944,819.87/17,668.53
  6. Step 6: Final answer
    x = 10,920.25

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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.