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Finding the Fourth Proportional to 15,954.13, 22,016.70 and 8,881.01

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Solution

The fourth proportional to 15,954.13, 22,016.70 and 8,881.01 is: 12,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.13 : 22,016.70 = 8,881.01 : x
  2. Step 2: Convert to fraction form
    15,954.13/22,016.70 = 8,881.01/x
  3. Step 3: Cross multiply
    15,954.13x = 22,016.70 × 8,881.01
  4. Step 4: Simplify right side
    15,954.13x = 195,530,532.87
  5. Step 5: Solve for x
    x = 195,530,532.87/15,954.13
  6. Step 6: Final answer
    x = 12,255.80

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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.