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Finding the Fourth Proportional to 11,258.75, 16,855.25 and 9,044.39

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Solution

The fourth proportional to 11,258.75, 16,855.25 and 9,044.39 is: 13,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.75 : 16,855.25 = 9,044.39 : x
  2. Step 2: Convert to fraction form
    11,258.75/16,855.25 = 9,044.39/x
  3. Step 3: Cross multiply
    11,258.75x = 16,855.25 × 9,044.39
  4. Step 4: Simplify right side
    11,258.75x = 152,445,325.05
  5. Step 5: Solve for x
    x = 152,445,325.05/11,258.75
  6. Step 6: Final answer
    x = 13,540.17

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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.