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Finding the Fourth Proportional to 37,304, 51,479.68 and 20,536.64

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Solution

The fourth proportional to 37,304, 51,479.68 and 20,536.64 is: 28,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,304 : 51,479.68 = 20,536.64 : x
  2. Step 2: Convert to fraction form
    37,304/51,479.68 = 20,536.64/x
  3. Step 3: Cross multiply
    37,304x = 51,479.68 × 20,536.64
  4. Step 4: Simplify right side
    37,304x = 1,057,219,655.48
  5. Step 5: Solve for x
    x = 1,057,219,655.48/37,304
  6. Step 6: Final answer
    x = 28,340.65

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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.