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Finding the Fourth Proportional to 17,843.28, 26,632.11 and 15,460.71

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Solution

The fourth proportional to 17,843.28, 26,632.11 and 15,460.71 is: 23,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.28 : 26,632.11 = 15,460.71 : x
  2. Step 2: Convert to fraction form
    17,843.28/26,632.11 = 15,460.71/x
  3. Step 3: Cross multiply
    17,843.28x = 26,632.11 × 15,460.71
  4. Step 4: Simplify right side
    17,843.28x = 411,751,329.40
  5. Step 5: Solve for x
    x = 411,751,329.40/17,843.28
  6. Step 6: Final answer
    x = 23,075.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.