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Finding the Fourth Proportional to 37,396.48, 51,606.24 and 20,629.12

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Solution

The fourth proportional to 37,396.48, 51,606.24 and 20,629.12 is: 28,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,396.48 : 51,606.24 = 20,629.12 : x
  2. Step 2: Convert to fraction form
    37,396.48/51,606.24 = 20,629.12/x
  3. Step 3: Cross multiply
    37,396.48x = 51,606.24 × 20,629.12
  4. Step 4: Simplify right side
    37,396.48x = 1,064,591,317.71
  5. Step 5: Solve for x
    x = 1,064,591,317.71/37,396.48
  6. Step 6: Final answer
    x = 28,467.69

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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.