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Finding the Fourth Proportional to 37,617.96, 51,910.02 and 20,619.48

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Solution

The fourth proportional to 37,617.96, 51,910.02 and 20,619.48 is: 28,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,617.96 : 51,910.02 = 20,619.48 : x
  2. Step 2: Convert to fraction form
    37,617.96/51,910.02 = 20,619.48/x
  3. Step 3: Cross multiply
    37,617.96x = 51,910.02 × 20,619.48
  4. Step 4: Simplify right side
    37,617.96x = 1,070,357,619.19
  5. Step 5: Solve for x
    x = 1,070,357,619.19/37,617.96
  6. Step 6: Final answer
    x = 28,453.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.