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Finding the Fourth Proportional to 12,296.37, 18,440.37 and 4,898.82

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Solution

The fourth proportional to 12,296.37, 18,440.37 and 4,898.82 is: 7,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.37 : 18,440.37 = 4,898.82 : x
  2. Step 2: Convert to fraction form
    12,296.37/18,440.37 = 4,898.82/x
  3. Step 3: Cross multiply
    12,296.37x = 18,440.37 × 4,898.82
  4. Step 4: Simplify right side
    12,296.37x = 90,336,053.36
  5. Step 5: Solve for x
    x = 90,336,053.36/12,296.37
  6. Step 6: Final answer
    x = 7,346.56

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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.