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Finding the Fourth Proportional to 22,940.40, 34,410.60 and 22,065.60

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Solution

The fourth proportional to 22,940.40, 34,410.60 and 22,065.60 is: 33,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,940.40 : 34,410.60 = 22,065.60 : x
  2. Step 2: Convert to fraction form
    22,940.40/34,410.60 = 22,065.60/x
  3. Step 3: Cross multiply
    22,940.40x = 34,410.60 × 22,065.60
  4. Step 4: Simplify right side
    22,940.40x = 759,290,535.36
  5. Step 5: Solve for x
    x = 759,290,535.36/22,940.40
  6. Step 6: Final answer
    x = 33,098.40

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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.