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Finding the Fourth Proportional to 37,392.38, 51,605.12 and 20,625.38

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Solution

The fourth proportional to 37,392.38, 51,605.12 and 20,625.38 is: 28,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,392.38 : 51,605.12 = 20,625.38 : x
  2. Step 2: Convert to fraction form
    37,392.38/51,605.12 = 20,625.38/x
  3. Step 3: Cross multiply
    37,392.38x = 51,605.12 × 20,625.38
  4. Step 4: Simplify right side
    37,392.38x = 1,064,375,003.48
  5. Step 5: Solve for x
    x = 1,064,375,003.48/37,392.38
  6. Step 6: Final answer
    x = 28,465.03

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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.