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Finding the Fourth Proportional to 37,393.38, 51,603.03 and 20,398.01

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Solution

The fourth proportional to 37,393.38, 51,603.03 and 20,398.01 is: 28,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,393.38 : 51,603.03 = 20,398.01 : x
  2. Step 2: Convert to fraction form
    37,393.38/51,603.03 = 20,398.01/x
  3. Step 3: Cross multiply
    37,393.38x = 51,603.03 × 20,398.01
  4. Step 4: Simplify right side
    37,393.38x = 1,052,598,863.96
  5. Step 5: Solve for x
    x = 1,052,598,863.96/37,393.38
  6. Step 6: Final answer
    x = 28,149.34

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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.