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Finding the Fourth Proportional to 37,223.40, 55,818.90 and 12,253.80

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Solution

The fourth proportional to 37,223.40, 55,818.90 and 12,253.80 is: 18,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,223.40 : 55,818.90 = 12,253.80 : x
  2. Step 2: Convert to fraction form
    37,223.40/55,818.90 = 12,253.80/x
  3. Step 3: Cross multiply
    37,223.40x = 55,818.90 × 12,253.80
  4. Step 4: Simplify right side
    37,223.40x = 683,993,636.82
  5. Step 5: Solve for x
    x = 683,993,636.82/37,223.40
  6. Step 6: Final answer
    x = 18,375.37

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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.