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Finding the Fourth Proportional to 27,958.92, 41,920.30 and 14,817.48

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Solution

The fourth proportional to 27,958.92, 41,920.30 and 14,817.48 is: 22,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.92 : 41,920.30 = 14,817.48 : x
  2. Step 2: Convert to fraction form
    27,958.92/41,920.30 = 14,817.48/x
  3. Step 3: Cross multiply
    27,958.92x = 41,920.30 × 14,817.48
  4. Step 4: Simplify right side
    27,958.92x = 621,153,206.84
  5. Step 5: Solve for x
    x = 621,153,206.84/27,958.92
  6. Step 6: Final answer
    x = 22,216.64

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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.