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Finding the Fourth Proportional to 9,383.64, 12,949.04 and 5,608.89

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Solution

The fourth proportional to 9,383.64, 12,949.04 and 5,608.89 is: 7,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.64 : 12,949.04 = 5,608.89 : x
  2. Step 2: Convert to fraction form
    9,383.64/12,949.04 = 5,608.89/x
  3. Step 3: Cross multiply
    9,383.64x = 12,949.04 × 5,608.89
  4. Step 4: Simplify right side
    9,383.64x = 72,629,754.99
  5. Step 5: Solve for x
    x = 72,629,754.99/9,383.64
  6. Step 6: Final answer
    x = 7,740.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.