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Finding the Fourth Proportional to 17,392.68, 25,963.04 and 15,290.82

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Solution

The fourth proportional to 17,392.68, 25,963.04 and 15,290.82 is: 22,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392.68 : 25,963.04 = 15,290.82 : x
  2. Step 2: Convert to fraction form
    17,392.68/25,963.04 = 15,290.82/x
  3. Step 3: Cross multiply
    17,392.68x = 25,963.04 × 15,290.82
  4. Step 4: Simplify right side
    17,392.68x = 396,996,094.84
  5. Step 5: Solve for x
    x = 396,996,094.84/17,392.68
  6. Step 6: Final answer
    x = 22,825.47

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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.