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Finding the Fourth Proportional to 7,236.94, 10,843.80 and 4,455.40

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Solution

The fourth proportional to 7,236.94, 10,843.80 and 4,455.40 is: 6,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.94 : 10,843.80 = 4,455.40 : x
  2. Step 2: Convert to fraction form
    7,236.94/10,843.80 = 4,455.40/x
  3. Step 3: Cross multiply
    7,236.94x = 10,843.80 × 4,455.40
  4. Step 4: Simplify right side
    7,236.94x = 48,313,466.52
  5. Step 5: Solve for x
    x = 48,313,466.52/7,236.94
  6. Step 6: Final answer
    x = 6,675.95

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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.