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Finding the Fourth Proportional to 17,952.47, 26,928.71 and 8,590.28

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Solution

The fourth proportional to 17,952.47, 26,928.71 and 8,590.28 is: 12,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.47 : 26,928.71 = 8,590.28 : x
  2. Step 2: Convert to fraction form
    17,952.47/26,928.71 = 8,590.28/x
  3. Step 3: Cross multiply
    17,952.47x = 26,928.71 × 8,590.28
  4. Step 4: Simplify right side
    17,952.47x = 231,325,115.99
  5. Step 5: Solve for x
    x = 231,325,115.99/17,952.47
  6. Step 6: Final answer
    x = 12,885.42

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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.