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Finding the Fourth Proportional to 27,991.92, 38,632.50 and 16,052.93

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Solution

The fourth proportional to 27,991.92, 38,632.50 and 16,052.93 is: 22,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.92 : 38,632.50 = 16,052.93 : x
  2. Step 2: Convert to fraction form
    27,991.92/38,632.50 = 16,052.93/x
  3. Step 3: Cross multiply
    27,991.92x = 38,632.50 × 16,052.93
  4. Step 4: Simplify right side
    27,991.92x = 620,164,625.06
  5. Step 5: Solve for x
    x = 620,164,625.06/27,991.92
  6. Step 6: Final answer
    x = 22,155.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.