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Finding the Fourth Proportional to 17,283.90, 25,928.28 and 8,853.42

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Solution

The fourth proportional to 17,283.90, 25,928.28 and 8,853.42 is: 13,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,283.90 : 25,928.28 = 8,853.42 : x
  2. Step 2: Convert to fraction form
    17,283.90/25,928.28 = 8,853.42/x
  3. Step 3: Cross multiply
    17,283.90x = 25,928.28 × 8,853.42
  4. Step 4: Simplify right side
    17,283.90x = 229,553,952.72
  5. Step 5: Solve for x
    x = 229,553,952.72/17,283.90
  6. Step 6: Final answer
    x = 13,281.37

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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.