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Finding the Fourth Proportional to 27,659, 38,172.30 and 17,048.36

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Solution

The fourth proportional to 27,659, 38,172.30 and 17,048.36 is: 23,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659 : 38,172.30 = 17,048.36 : x
  2. Step 2: Convert to fraction form
    27,659/38,172.30 = 17,048.36/x
  3. Step 3: Cross multiply
    27,659x = 38,172.30 × 17,048.36
  4. Step 4: Simplify right side
    27,659x = 650,775,112.43
  5. Step 5: Solve for x
    x = 650,775,112.43/27,659
  6. Step 6: Final answer
    x = 23,528.51

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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.