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Finding the Fourth Proportional to 22,922.60, 34,383.90 and 7,341.80

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Solution

The fourth proportional to 22,922.60, 34,383.90 and 7,341.80 is: 11,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,922.60 : 34,383.90 = 7,341.80 : x
  2. Step 2: Convert to fraction form
    22,922.60/34,383.90 = 7,341.80/x
  3. Step 3: Cross multiply
    22,922.60x = 34,383.90 × 7,341.80
  4. Step 4: Simplify right side
    22,922.60x = 252,439,717.02
  5. Step 5: Solve for x
    x = 252,439,717.02/22,922.60
  6. Step 6: Final answer
    x = 11,012.70

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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.