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Finding the Fourth Proportional to 7,604.78, 11,383.28 and 4,834.58

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Solution

The fourth proportional to 7,604.78, 11,383.28 and 4,834.58 is: 7,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.78 : 11,383.28 = 4,834.58 : x
  2. Step 2: Convert to fraction form
    7,604.78/11,383.28 = 4,834.58/x
  3. Step 3: Cross multiply
    7,604.78x = 11,383.28 × 4,834.58
  4. Step 4: Simplify right side
    7,604.78x = 55,033,382.11
  5. Step 5: Solve for x
    x = 55,033,382.11/7,604.78
  6. Step 6: Final answer
    x = 7,236.68

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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.