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Finding the Fourth Proportional to 17,894.82, 26,823.78 and 12,952.20

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Solution

The fourth proportional to 17,894.82, 26,823.78 and 12,952.20 is: 19,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,894.82 : 26,823.78 = 12,952.20 : x
  2. Step 2: Convert to fraction form
    17,894.82/26,823.78 = 12,952.20/x
  3. Step 3: Cross multiply
    17,894.82x = 26,823.78 × 12,952.20
  4. Step 4: Simplify right side
    17,894.82x = 347,426,963.32
  5. Step 5: Solve for x
    x = 347,426,963.32/17,894.82
  6. Step 6: Final answer
    x = 19,414.95

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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.