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Finding the Fourth Proportional to 37,212.70, 55,813.65 and 10,914.70

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Solution

The fourth proportional to 37,212.70, 55,813.65 and 10,914.70 is: 16,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212.70 : 55,813.65 = 10,914.70 : x
  2. Step 2: Convert to fraction form
    37,212.70/55,813.65 = 10,914.70/x
  3. Step 3: Cross multiply
    37,212.70x = 55,813.65 × 10,914.70
  4. Step 4: Simplify right side
    37,212.70x = 609,189,245.66
  5. Step 5: Solve for x
    x = 609,189,245.66/37,212.70
  6. Step 6: Final answer
    x = 16,370.47

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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.