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Finding the Fourth Proportional to 17,286.84, 25,929.03 and 9,868.05

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Solution

The fourth proportional to 17,286.84, 25,929.03 and 9,868.05 is: 14,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,286.84 : 25,929.03 = 9,868.05 : x
  2. Step 2: Convert to fraction form
    17,286.84/25,929.03 = 9,868.05/x
  3. Step 3: Cross multiply
    17,286.84x = 25,929.03 × 9,868.05
  4. Step 4: Simplify right side
    17,286.84x = 255,868,964.49
  5. Step 5: Solve for x
    x = 255,868,964.49/17,286.84
  6. Step 6: Final answer
    x = 14,801.37

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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.