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Finding the Fourth Proportional to 17,159.65, 25,625.28 and 16,974.10

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Solution

The fourth proportional to 17,159.65, 25,625.28 and 16,974.10 is: 25,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.65 : 25,625.28 = 16,974.10 : x
  2. Step 2: Convert to fraction form
    17,159.65/25,625.28 = 16,974.10/x
  3. Step 3: Cross multiply
    17,159.65x = 25,625.28 × 16,974.10
  4. Step 4: Simplify right side
    17,159.65x = 434,965,980.38
  5. Step 5: Solve for x
    x = 434,965,980.38/17,159.65
  6. Step 6: Final answer
    x = 25,348.18

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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.