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Finding the Fourth Proportional to 27,920.30, 41,885.58 and 9,201.44

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Solution

The fourth proportional to 27,920.30, 41,885.58 and 9,201.44 is: 13,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.30 : 41,885.58 = 9,201.44 : x
  2. Step 2: Convert to fraction form
    27,920.30/41,885.58 = 9,201.44/x
  3. Step 3: Cross multiply
    27,920.30x = 41,885.58 × 9,201.44
  4. Step 4: Simplify right side
    27,920.30x = 385,407,441.81
  5. Step 5: Solve for x
    x = 385,407,441.81/27,920.30
  6. Step 6: Final answer
    x = 13,803.85

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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.