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Finding the Fourth Proportional to 37,396, 51,606.64 and 20,628.64

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Solution

The fourth proportional to 37,396, 51,606.64 and 20,628.64 is: 28,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,396 : 51,606.64 = 20,628.64 : x
  2. Step 2: Convert to fraction form
    37,396/51,606.64 = 20,628.64/x
  3. Step 3: Cross multiply
    37,396x = 51,606.64 × 20,628.64
  4. Step 4: Simplify right side
    37,396x = 1,064,574,798.17
  5. Step 5: Solve for x
    x = 1,064,574,798.17/37,396
  6. Step 6: Final answer
    x = 28,467.61

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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.