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Finding the Fourth Proportional to 26,287, 36,232.84 and 18,632.84

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Solution

The fourth proportional to 26,287, 36,232.84 and 18,632.84 is: 25,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287 : 36,232.84 = 18,632.84 : x
  2. Step 2: Convert to fraction form
    26,287/36,232.84 = 18,632.84/x
  3. Step 3: Cross multiply
    26,287x = 36,232.84 × 18,632.84
  4. Step 4: Simplify right side
    26,287x = 675,120,710.47
  5. Step 5: Solve for x
    x = 675,120,710.47/26,287
  6. Step 6: Final answer
    x = 25,682.68

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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.