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Finding the Fourth Proportional to 22,662.19, 33,954.93 and 13,878.76

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Solution

The fourth proportional to 22,662.19, 33,954.93 and 13,878.76 is: 20,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.19 : 33,954.93 = 13,878.76 : x
  2. Step 2: Convert to fraction form
    22,662.19/33,954.93 = 13,878.76/x
  3. Step 3: Cross multiply
    22,662.19x = 33,954.93 × 13,878.76
  4. Step 4: Simplify right side
    22,662.19x = 471,252,324.29
  5. Step 5: Solve for x
    x = 471,252,324.29/22,662.19
  6. Step 6: Final answer
    x = 20,794.65

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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.