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Finding the Fourth Proportional to 22,586.40, 33,879.60 and 10,922.40

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Solution

The fourth proportional to 22,586.40, 33,879.60 and 10,922.40 is: 16,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,586.40 : 33,879.60 = 10,922.40 : x
  2. Step 2: Convert to fraction form
    22,586.40/33,879.60 = 10,922.40/x
  3. Step 3: Cross multiply
    22,586.40x = 33,879.60 × 10,922.40
  4. Step 4: Simplify right side
    22,586.40x = 370,046,543.04
  5. Step 5: Solve for x
    x = 370,046,543.04/22,586.40
  6. Step 6: Final answer
    x = 16,383.60

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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.