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Finding the Fourth Proportional to 22,383.38, 33,579.96 and 7,391.16

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Solution

The fourth proportional to 22,383.38, 33,579.96 and 7,391.16 is: 11,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.38 : 33,579.96 = 7,391.16 : x
  2. Step 2: Convert to fraction form
    22,383.38/33,579.96 = 7,391.16/x
  3. Step 3: Cross multiply
    22,383.38x = 33,579.96 × 7,391.16
  4. Step 4: Simplify right side
    22,383.38x = 248,194,829.44
  5. Step 5: Solve for x
    x = 248,194,829.44/22,383.38
  6. Step 6: Final answer
    x = 11,088.35

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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.