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Finding the Fourth Proportional to 37,322.70, 55,984.05 and 12,366.60

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Solution

The fourth proportional to 37,322.70, 55,984.05 and 12,366.60 is: 18,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,322.70 : 55,984.05 = 12,366.60 : x
  2. Step 2: Convert to fraction form
    37,322.70/55,984.05 = 12,366.60/x
  3. Step 3: Cross multiply
    37,322.70x = 55,984.05 × 12,366.60
  4. Step 4: Simplify right side
    37,322.70x = 692,332,352.73
  5. Step 5: Solve for x
    x = 692,332,352.73/37,322.70
  6. Step 6: Final answer
    x = 18,549.90

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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.